426887980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{4621}}^1$

素因数の和:4810

約数の個数: 48

約数和(自身を含む): 931795200

約数和(自身を除く): 504907220

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 149, 155, 298, 310, 596, 620, 745, 1490, 2980, 4619, 4621, 9238, 9242, 18476, 18484, 23095, 23105, 46190, 46210, 92380, 92420, 143251, 286502, 573004, 688529, 716255, 1377058, 1432510, 2754116, 2865020, 3442645, 6885290, 13770580, 21344399, 42688798, 85377596, 106721995, 213443990, 426887980]

約数ペア:

[(1, 426887980), (2, 213443990), (4, 106721995), (5, 85377596), (10, 42688798), (20, 21344399), (31, 13770580), (62, 6885290), (124, 3442645), (149, 2865020), (155, 2754116), (298, 1432510), (310, 1377058), (596, 716255), (620, 688529), (745, 573004), (1490, 286502), (2980, 143251), (4619, 92420), (4621, 92380), (9238, 46210), (9242, 46190), (18476, 23105), (18484, 23095)]