256419900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{439}}^1$

素因数の和:529

約数の個数: 216

約数和(自身を含む): 893692800

約数和(自身を除く): 637272900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 30, 33, 36, 44, 45, 50, 55, 59, 60, 66, 75, 90, 99, 100, 110, 118, 132, 150, 165, 177, 180, 198, 220, 225, 236, 275, 295, 300, 330, 354, 396, 439, 450, 495, 531, 550, 590, 649, 660, 708, 825, 878, 885, 900, 990, 1062, 1100, 1180, 1298, 1317, 1475, 1650, 1756, 1770, 1947, 1980, 2124, 2195, 2475, 2596, 2634, 2655, 2950, 3245, 3300, 3540, 3894, 3951, 4390, 4425, 4829, 4950, 5268, 5310, 5841, 5900, 6490, 6585, 7788, 7902, 8780, 8850, 9658, 9735, 9900, 10620, 10975, 11682, 12980, 13170, 13275, 14487, 15804, 16225, 17700, 19316, 19470, 19755, 21950, 23364, 24145, 25901, 26340, 26550, 28974, 29205, 32450, 32925, 38940, 39510, 43461, 43900, 48290, 48675, 51802, 53100, 57948, 58410, 64900, 65850, 72435, 77703, 79020, 86922, 96580, 97350, 98775, 103604, 116820, 120725, 129505, 131700, 144870, 146025, 155406, 173844, 194700, 197550, 217305, 233109, 241450, 259010, 284911, 289740, 292050, 310812, 362175, 388515, 395100, 434610, 466218, 482900, 518020, 569822, 584100, 647525, 724350, 777030, 854733, 869220, 932436, 1086525, 1139644, 1165545, 1295050, 1424555, 1448700, 1554060, 1709466, 1942575, 2173050, 2331090, 2564199, 2590100, 2849110, 3418932, 3885150, 4273665, 4346100, 4662180, 5128398, 5698220, 5827725, 7122775, 7770300, 8547330, 10256796, 11655450, 12820995, 14245550, 17094660, 21368325, 23310900, 25641990, 28491100, 42736650, 51283980, 64104975, 85473300, 128209950, 256419900]

約数ペア:

[(1, 256419900), (2, 128209950), (3, 85473300), (4, 64104975), (5, 51283980), (6, 42736650), (9, 28491100), (10, 25641990), (11, 23310900), (12, 21368325), (15, 17094660), (18, 14245550), (20, 12820995), (22, 11655450), (25, 10256796), (30, 8547330), (33, 7770300), (36, 7122775), (44, 5827725), (45, 5698220), (50, 5128398), (55, 4662180), (59, 4346100), (60, 4273665), (66, 3885150), (75, 3418932), (90, 2849110), (99, 2590100), (100, 2564199), (110, 2331090), (118, 2173050), (132, 1942575), (150, 1709466), (165, 1554060), (177, 1448700), (180, 1424555), (198, 1295050), (220, 1165545), (225, 1139644), (236, 1086525), (275, 932436), (295, 869220), (300, 854733), (330, 777030), (354, 724350), (396, 647525), (439, 584100), (450, 569822), (495, 518020), (531, 482900), (550, 466218), (590, 434610), (649, 395100), (660, 388515), (708, 362175), (825, 310812), (878, 292050), (885, 289740), (900, 284911), (990, 259010), (1062, 241450), (1100, 233109), (1180, 217305), (1298, 197550), (1317, 194700), (1475, 173844), (1650, 155406), (1756, 146025), (1770, 144870), (1947, 131700), (1980, 129505), (2124, 120725), (2195, 116820), (2475, 103604), (2596, 98775), (2634, 97350), (2655, 96580), (2950, 86922), (3245, 79020), (3300, 77703), (3540, 72435), (3894, 65850), (3951, 64900), (4390, 58410), (4425, 57948), (4829, 53100), (4950, 51802), (5268, 48675), (5310, 48290), (5841, 43900), (5900, 43461), (6490, 39510), (6585, 38940), (7788, 32925), (7902, 32450), (8780, 29205), (8850, 28974), (9658, 26550), (9735, 26340), (9900, 25901), (10620, 24145), (10975, 23364), (11682, 21950), (12980, 19755), (13170, 19470), (13275, 19316), (14487, 17700), (15804, 16225)]