291219183880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1\times {\mathrm{8179}}^1$

素因数の和:8523

約数の個数: 128

約数和(自身を含む): 679989657600

約数和(自身を除く): 388770473720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 127, 163, 172, 215, 254, 326, 344, 430, 508, 635, 652, 815, 860, 1016, 1270, 1304, 1630, 1720, 2540, 3260, 5080, 5461, 6520, 7009, 8179, 10922, 14018, 16358, 20701, 21844, 27305, 28036, 32716, 35045, 40895, 41402, 43688, 54610, 56072, 65432, 70090, 81790, 82804, 103505, 109220, 140180, 163580, 165608, 207010, 218440, 280360, 327160, 351697, 414020, 703394, 828040, 890143, 1038733, 1333177, 1406788, 1758485, 1780286, 2077466, 2666354, 2813576, 3516970, 3560572, 4154932, 4450715, 5193665, 5332708, 6665885, 7033940, 7121144, 8309864, 8901430, 10387330, 10665416, 13331770, 14067880, 17802860, 20774660, 26663540, 35605720, 41549320, 44665519, 53327080, 57326611, 89331038, 114653222, 169313479, 178662076, 223327595, 229306444, 286633055, 338626958, 357324152, 446655190, 458612888, 573266110, 677253916, 846567395, 893310380, 1146532220, 1354507832, 1693134790, 1786620760, 2293064440, 3386269580, 6772539160, 7280479597, 14560959194, 29121918388, 36402397985, 58243836776, 72804795970, 145609591940, 291219183880]

約数ペア:

[(1, 291219183880), (2, 145609591940), (4, 72804795970), (5, 58243836776), (8, 36402397985), (10, 29121918388), (20, 14560959194), (40, 7280479597), (43, 6772539160), (86, 3386269580), (127, 2293064440), (163, 1786620760), (172, 1693134790), (215, 1354507832), (254, 1146532220), (326, 893310380), (344, 846567395), (430, 677253916), (508, 573266110), (635, 458612888), (652, 446655190), (815, 357324152), (860, 338626958), (1016, 286633055), (1270, 229306444), (1304, 223327595), (1630, 178662076), (1720, 169313479), (2540, 114653222), (3260, 89331038), (5080, 57326611), (5461, 53327080), (6520, 44665519), (7009, 41549320), (8179, 35605720), (10922, 26663540), (14018, 20774660), (16358, 17802860), (20701, 14067880), (21844, 13331770), (27305, 10665416), (28036, 10387330), (32716, 8901430), (35045, 8309864), (40895, 7121144), (41402, 7033940), (43688, 6665885), (54610, 5332708), (56072, 5193665), (65432, 4450715), (70090, 4154932), (81790, 3560572), (82804, 3516970), (103505, 2813576), (109220, 2666354), (140180, 2077466), (163580, 1780286), (165608, 1758485), (207010, 1406788), (218440, 1333177), (280360, 1038733), (327160, 890143), (351697, 828040), (414020, 703394)]