126709940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{905071}}^1$

素因数の和:905087

約数の個数: 24

約数和(自身を含む): 304104192

約数和(自身を除く): 177394252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 905071, 1810142, 3620284, 4525355, 6335497, 9050710, 12670994, 18101420, 25341988, 31677485, 63354970, 126709940]

約数ペア:

[(1, 126709940), (2, 63354970), (4, 31677485), (5, 25341988), (7, 18101420), (10, 12670994), (14, 9050710), (20, 6335497), (28, 4525355), (35, 3620284), (70, 1810142), (140, 905071)]