257357970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{92243}}^1$

素因数の和:92287

約数の個数: 48

約数和(自身を含む): 690723072

約数和(自身を除く): 433365102

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 92243, 184486, 276729, 461215, 553458, 830187, 922430, 1383645, 1660374, 2767290, 2859533, 4150935, 5719066, 8301870, 8578599, 14297665, 17157198, 25735797, 28595330, 42892995, 51471594, 85785990, 128678985, 257357970]

約数ペア:

[(1, 257357970), (2, 128678985), (3, 85785990), (5, 51471594), (6, 42892995), (9, 28595330), (10, 25735797), (15, 17157198), (18, 14297665), (30, 8578599), (31, 8301870), (45, 5719066), (62, 4150935), (90, 2859533), (93, 2767290), (155, 1660374), (186, 1383645), (279, 922430), (310, 830187), (465, 553458), (558, 461215), (930, 276729), (1395, 184486), (2790, 92243)]