28706478020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:343

約数の個数: 288

約数和(自身を含む): 72484651008

約数和(自身を除く): 43778172988

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 31, 44, 46, 55, 62, 92, 110, 115, 121, 124, 127, 131, 155, 220, 230, 242, 253, 254, 262, 310, 341, 460, 484, 506, 508, 524, 605, 620, 635, 655, 682, 713, 1012, 1210, 1265, 1270, 1310, 1364, 1397, 1426, 1441, 1705, 2420, 2530, 2540, 2620, 2783, 2794, 2852, 2882, 2921, 3013, 3410, 3565, 3751, 3937, 4061, 5060, 5566, 5588, 5764, 5842, 6026, 6820, 6985, 7130, 7205, 7502, 7843, 7874, 8122, 11132, 11684, 12052, 13915, 13970, 14260, 14410, 14605, 15004, 15065, 15367, 15686, 15748, 15851, 16244, 16637, 18755, 19685, 20305, 27830, 27940, 28820, 29210, 30130, 30734, 31372, 31702, 32131, 33143, 33274, 37510, 39215, 39370, 40610, 43307, 44671, 55660, 58420, 60260, 61468, 63404, 64262, 66286, 66548, 75020, 76835, 78430, 78740, 79255, 81220, 83185, 86273, 86614, 89342, 90551, 93403, 128524, 132572, 153670, 156860, 158510, 160655, 165715, 166370, 172546, 173228, 178684, 181102, 183007, 186806, 216535, 223355, 307340, 317020, 321310, 331430, 332740, 345092, 353441, 362204, 364573, 366014, 373612, 382651, 431365, 433070, 446710, 452755, 467015, 476377, 491381, 515747, 642620, 662860, 706882, 729146, 732028, 765302, 862730, 866140, 893420, 905510, 915035, 934030, 952754, 982762, 996061, 1027433, 1031494, 1413764, 1458292, 1530604, 1725460, 1767205, 1811020, 1822865, 1830070, 1868060, 1905508, 1913255, 1965524, 1992122, 2013077, 2054866, 2062988, 2381885, 2456905, 2578735, 3534410, 3645730, 3660140, 3826510, 3984244, 4026154, 4109732, 4209161, 4763770, 4913810, 4980305, 5137165, 5157470, 5673217, 7068820, 7291460, 7653020, 8052308, 8418322, 9527540, 9827620, 9960610, 10065385, 10274330, 10314940, 10956671, 11301763, 11346434, 11862181, 16836644, 19921220, 20130770, 20548660, 21045805, 21913342, 22603526, 22692868, 23724362, 28366085, 40261540, 42091610, 43826684, 45207052, 46300771, 47448724, 54783355, 56508815, 56732170, 59310905, 62405387, 84183220, 92601542, 109566710, 113017630, 113464340, 118621810, 124810774, 130483991, 185203084, 219133420, 226035260, 231503855, 237243620, 249621548, 260967982, 312026935, 463007710, 521935964, 624053870, 652419955, 926015420, 1248107740, 1304839910, 1435323901, 2609679820, 2870647802, 5741295604, 7176619505, 14353239010, 28706478020]

約数ペア:

[(1, 28706478020), (2, 14353239010), (4, 7176619505), (5, 5741295604), (10, 2870647802), (11, 2609679820), (20, 1435323901), (22, 1304839910), (23, 1248107740), (31, 926015420), (44, 652419955), (46, 624053870), (55, 521935964), (62, 463007710), (92, 312026935), (110, 260967982), (115, 249621548), (121, 237243620), (124, 231503855), (127, 226035260), (131, 219133420), (155, 185203084), (220, 130483991), (230, 124810774), (242, 118621810), (253, 113464340), (254, 113017630), (262, 109566710), (310, 92601542), (341, 84183220), (460, 62405387), (484, 59310905), (506, 56732170), (508, 56508815), (524, 54783355), (605, 47448724), (620, 46300771), (635, 45207052), (655, 43826684), (682, 42091610), (713, 40261540), (1012, 28366085), (1210, 23724362), (1265, 22692868), (1270, 22603526), (1310, 21913342), (1364, 21045805), (1397, 20548660), (1426, 20130770), (1441, 19921220), (1705, 16836644), (2420, 11862181), (2530, 11346434), (2540, 11301763), (2620, 10956671), (2783, 10314940), (2794, 10274330), (2852, 10065385), (2882, 9960610), (2921, 9827620), (3013, 9527540), (3410, 8418322), (3565, 8052308), (3751, 7653020), (3937, 7291460), (4061, 7068820), (5060, 5673217), (5566, 5157470), (5588, 5137165), (5764, 4980305), (5842, 4913810), (6026, 4763770), (6820, 4209161), (6985, 4109732), (7130, 4026154), (7205, 3984244), (7502, 3826510), (7843, 3660140), (7874, 3645730), (8122, 3534410), (11132, 2578735), (11684, 2456905), (12052, 2381885), (13915, 2062988), (13970, 2054866), (14260, 2013077), (14410, 1992122), (14605, 1965524), (15004, 1913255), (15065, 1905508), (15367, 1868060), (15686, 1830070), (15748, 1822865), (15851, 1811020), (16244, 1767205), (16637, 1725460), (18755, 1530604), (19685, 1458292), (20305, 1413764), (27830, 1031494), (27940, 1027433), (28820, 996061), (29210, 982762), (30130, 952754), (30734, 934030), (31372, 915035), (31702, 905510), (32131, 893420), (33143, 866140), (33274, 862730), (37510, 765302), (39215, 732028), (39370, 729146), (40610, 706882), (43307, 662860), (44671, 642620), (55660, 515747), (58420, 491381), (60260, 476377), (61468, 467015), (63404, 452755), (64262, 446710), (66286, 433070), (66548, 431365), (75020, 382651), (76835, 373612), (78430, 366014), (78740, 364573), (79255, 362204), (81220, 353441), (83185, 345092), (86273, 332740), (86614, 331430), (89342, 321310), (90551, 317020), (93403, 307340), (128524, 223355), (132572, 216535), (153670, 186806), (156860, 183007), (158510, 181102), (160655, 178684), (165715, 173228), (166370, 172546)]