91009940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{650071}}^1$

素因数の和:650087

約数の個数: 24

約数和(自身を含む): 218424192

約数和(自身を除く): 127414252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 650071, 1300142, 2600284, 3250355, 4550497, 6500710, 9100994, 13001420, 18201988, 22752485, 45504970, 91009940]

約数ペア:

[(1, 91009940), (2, 45504970), (4, 22752485), (5, 18201988), (7, 13001420), (10, 9100994), (14, 6500710), (20, 4550497), (28, 3250355), (35, 2600284), (70, 1300142), (140, 650071)]