399992940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:209

約数の個数: 288

約数和(自身を含む): 1369368000

約数和(自身を除く): 969375060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 29, 30, 36, 37, 38, 45, 57, 58, 60, 74, 76, 87, 90, 95, 109, 111, 114, 116, 145, 148, 171, 174, 180, 185, 190, 218, 222, 228, 261, 285, 290, 327, 333, 342, 348, 370, 380, 435, 436, 444, 522, 545, 551, 555, 570, 580, 654, 666, 684, 703, 740, 855, 870, 981, 1044, 1073, 1090, 1102, 1110, 1140, 1305, 1308, 1332, 1406, 1635, 1653, 1665, 1710, 1740, 1962, 2071, 2109, 2146, 2180, 2204, 2220, 2610, 2755, 2812, 3161, 3219, 3270, 3306, 3330, 3420, 3515, 3924, 4033, 4142, 4218, 4292, 4905, 4959, 5220, 5365, 5510, 6213, 6322, 6327, 6438, 6540, 6612, 6660, 7030, 8066, 8265, 8284, 8436, 9483, 9657, 9810, 9918, 10355, 10545, 10730, 11020, 12099, 12426, 12644, 12654, 12876, 14060, 15805, 16095, 16132, 16530, 18639, 18966, 19314, 19620, 19836, 20165, 20387, 20710, 21090, 21460, 24198, 24795, 24852, 25308, 28449, 31065, 31610, 31635, 32190, 33060, 36297, 37278, 37932, 38628, 40330, 40774, 41420, 42180, 47415, 48285, 48396, 49590, 56898, 60059, 60495, 61161, 62130, 63220, 63270, 64380, 72594, 74556, 76627, 80660, 81548, 93195, 94830, 96570, 99180, 101935, 113796, 116957, 120118, 120990, 122322, 124260, 126540, 142245, 145188, 153254, 180177, 181485, 183483, 186390, 189660, 193140, 203870, 229881, 233914, 240236, 241980, 244644, 284490, 300295, 305805, 306508, 350871, 360354, 362970, 366966, 372780, 383135, 407740, 459762, 467828, 540531, 568980, 584785, 600590, 611610, 689643, 701742, 720708, 725940, 733932, 766270, 900885, 917415, 919524, 1052613, 1081062, 1149405, 1169570, 1201180, 1223220, 1379286, 1403484, 1532540, 1754355, 1801770, 1834830, 2105226, 2162124, 2222183, 2298810, 2339140, 2702655, 2758572, 3448215, 3508710, 3603540, 3669660, 4210452, 4444366, 4597620, 5263065, 5405310, 6666549, 6896430, 7017420, 8888732, 10526130, 10810620, 11110915, 13333098, 13792860, 19999647, 21052260, 22221830, 26666196, 33332745, 39999294, 44443660, 66665490, 79998588, 99998235, 133330980, 199996470, 399992940]

約数ペア:

[(1, 399992940), (2, 199996470), (3, 133330980), (4, 99998235), (5, 79998588), (6, 66665490), (9, 44443660), (10, 39999294), (12, 33332745), (15, 26666196), (18, 22221830), (19, 21052260), (20, 19999647), (29, 13792860), (30, 13333098), (36, 11110915), (37, 10810620), (38, 10526130), (45, 8888732), (57, 7017420), (58, 6896430), (60, 6666549), (74, 5405310), (76, 5263065), (87, 4597620), (90, 4444366), (95, 4210452), (109, 3669660), (111, 3603540), (114, 3508710), (116, 3448215), (145, 2758572), (148, 2702655), (171, 2339140), (174, 2298810), (180, 2222183), (185, 2162124), (190, 2105226), (218, 1834830), (222, 1801770), (228, 1754355), (261, 1532540), (285, 1403484), (290, 1379286), (327, 1223220), (333, 1201180), (342, 1169570), (348, 1149405), (370, 1081062), (380, 1052613), (435, 919524), (436, 917415), (444, 900885), (522, 766270), (545, 733932), (551, 725940), (555, 720708), (570, 701742), (580, 689643), (654, 611610), (666, 600590), (684, 584785), (703, 568980), (740, 540531), (855, 467828), (870, 459762), (981, 407740), (1044, 383135), (1073, 372780), (1090, 366966), (1102, 362970), (1110, 360354), (1140, 350871), (1305, 306508), (1308, 305805), (1332, 300295), (1406, 284490), (1635, 244644), (1653, 241980), (1665, 240236), (1710, 233914), (1740, 229881), (1962, 203870), (2071, 193140), (2109, 189660), (2146, 186390), (2180, 183483), (2204, 181485), (2220, 180177), (2610, 153254), (2755, 145188), (2812, 142245), (3161, 126540), (3219, 124260), (3270, 122322), (3306, 120990), (3330, 120118), (3420, 116957), (3515, 113796), (3924, 101935), (4033, 99180), (4142, 96570), (4218, 94830), (4292, 93195), (4905, 81548), (4959, 80660), (5220, 76627), (5365, 74556), (5510, 72594), (6213, 64380), (6322, 63270), (6327, 63220), (6438, 62130), (6540, 61161), (6612, 60495), (6660, 60059), (7030, 56898), (8066, 49590), (8265, 48396), (8284, 48285), (8436, 47415), (9483, 42180), (9657, 41420), (9810, 40774), (9918, 40330), (10355, 38628), (10545, 37932), (10730, 37278), (11020, 36297), (12099, 33060), (12426, 32190), (12644, 31635), (12654, 31610), (12876, 31065), (14060, 28449), (15805, 25308), (16095, 24852), (16132, 24795), (16530, 24198), (18639, 21460), (18966, 21090), (19314, 20710), (19620, 20387), (19836, 20165)]