28719804540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{7043}}^1$

素因数の和:7161

約数の個数: 288

約数和(自身を含む): 99830949120

約数和(自身を除く): 71111144580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 73, 76, 84, 95, 98, 105, 114, 133, 140, 146, 147, 190, 196, 210, 219, 228, 245, 266, 285, 292, 294, 365, 380, 399, 420, 438, 490, 511, 532, 570, 588, 665, 730, 735, 798, 876, 931, 980, 1022, 1095, 1140, 1330, 1387, 1460, 1470, 1533, 1596, 1862, 1995, 2044, 2190, 2555, 2660, 2774, 2793, 2940, 3066, 3577, 3724, 3990, 4161, 4380, 4655, 5110, 5548, 5586, 6132, 6935, 7043, 7154, 7665, 7980, 8322, 9310, 9709, 10220, 10731, 11172, 13870, 13965, 14086, 14308, 15330, 16644, 17885, 18620, 19418, 20805, 21129, 21462, 27740, 27930, 28172, 29127, 30660, 35215, 35770, 38836, 41610, 42258, 42924, 48545, 49301, 53655, 55860, 58254, 67963, 70430, 71540, 83220, 84516, 97090, 98602, 105645, 107310, 116508, 133817, 135926, 140860, 145635, 147903, 194180, 197204, 203889, 211290, 214620, 246505, 267634, 271852, 291270, 295806, 339815, 345107, 401451, 407778, 422580, 493010, 514139, 535268, 582540, 591612, 669085, 679630, 690214, 739515, 802902, 815556, 936719, 986020, 1019445, 1028278, 1035321, 1338170, 1359260, 1380428, 1479030, 1542417, 1605804, 1725535, 1873438, 2007255, 2038890, 2056556, 2070642, 2570695, 2676340, 2810157, 2958060, 3084834, 3451070, 3598973, 3746876, 4014510, 4077780, 4141284, 4683595, 5141390, 5176605, 5620314, 6169668, 6557033, 6902140, 7197946, 7712085, 8029020, 9367190, 9768641, 10282780, 10353210, 10796919, 11240628, 13114066, 14050785, 14395892, 15424170, 17994865, 18734380, 19537282, 19671099, 20706420, 21593838, 25192811, 26228132, 28101570, 29305923, 30848340, 32785165, 35989730, 39074564, 39342198, 43187676, 48843205, 50385622, 53984595, 56203140, 58611846, 65570330, 68380487, 71979460, 75578433, 78684396, 97686410, 98355495, 100771244, 107969190, 117223692, 125964055, 131140660, 136760974, 146529615, 151156866, 195372820, 196710990, 205141461, 215938380, 251928110, 273521948, 293059230, 302313732, 341902435, 377892165, 393421980, 410282922, 478663409, 503856220, 586118460, 683804870, 755784330, 820565844, 957326818, 1025707305, 1367609740, 1435990227, 1511568660, 1914653636, 2051414610, 2393317045, 2871980454, 4102829220, 4786634090, 5743960908, 7179951135, 9573268180, 14359902270, 28719804540]

約数ペア:

[(1, 28719804540), (2, 14359902270), (3, 9573268180), (4, 7179951135), (5, 5743960908), (6, 4786634090), (7, 4102829220), (10, 2871980454), (12, 2393317045), (14, 2051414610), (15, 1914653636), (19, 1511568660), (20, 1435990227), (21, 1367609740), (28, 1025707305), (30, 957326818), (35, 820565844), (38, 755784330), (42, 683804870), (49, 586118460), (57, 503856220), (60, 478663409), (70, 410282922), (73, 393421980), (76, 377892165), (84, 341902435), (95, 302313732), (98, 293059230), (105, 273521948), (114, 251928110), (133, 215938380), (140, 205141461), (146, 196710990), (147, 195372820), (190, 151156866), (196, 146529615), (210, 136760974), (219, 131140660), (228, 125964055), (245, 117223692), (266, 107969190), (285, 100771244), (292, 98355495), (294, 97686410), (365, 78684396), (380, 75578433), (399, 71979460), (420, 68380487), (438, 65570330), (490, 58611846), (511, 56203140), (532, 53984595), (570, 50385622), (588, 48843205), (665, 43187676), (730, 39342198), (735, 39074564), (798, 35989730), (876, 32785165), (931, 30848340), (980, 29305923), (1022, 28101570), (1095, 26228132), (1140, 25192811), (1330, 21593838), (1387, 20706420), (1460, 19671099), (1470, 19537282), (1533, 18734380), (1596, 17994865), (1862, 15424170), (1995, 14395892), (2044, 14050785), (2190, 13114066), (2555, 11240628), (2660, 10796919), (2774, 10353210), (2793, 10282780), (2940, 9768641), (3066, 9367190), (3577, 8029020), (3724, 7712085), (3990, 7197946), (4161, 6902140), (4380, 6557033), (4655, 6169668), (5110, 5620314), (5548, 5176605), (5586, 5141390), (6132, 4683595), (6935, 4141284), (7043, 4077780), (7154, 4014510), (7665, 3746876), (7980, 3598973), (8322, 3451070), (9310, 3084834), (9709, 2958060), (10220, 2810157), (10731, 2676340), (11172, 2570695), (13870, 2070642), (13965, 2056556), (14086, 2038890), (14308, 2007255), (15330, 1873438), (16644, 1725535), (17885, 1605804), (18620, 1542417), (19418, 1479030), (20805, 1380428), (21129, 1359260), (21462, 1338170), (27740, 1035321), (27930, 1028278), (28172, 1019445), (29127, 986020), (30660, 936719), (35215, 815556), (35770, 802902), (38836, 739515), (41610, 690214), (42258, 679630), (42924, 669085), (48545, 591612), (49301, 582540), (53655, 535268), (55860, 514139), (58254, 493010), (67963, 422580), (70430, 407778), (71540, 401451), (83220, 345107), (84516, 339815), (97090, 295806), (98602, 291270), (105645, 271852), (107310, 267634), (116508, 246505), (133817, 214620), (135926, 211290), (140860, 203889), (145635, 197204), (147903, 194180)]