90419390

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{311791}}^1$

素因数の和:311827

約数の個数: 16

約数和(自身を含む): 168367680

約数和(自身を除く): 77948290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 311791, 623582, 1558955, 3117910, 9041939, 18083878, 45209695, 90419390]

約数ペア:

[(1, 90419390), (2, 45209695), (5, 18083878), (10, 9041939), (29, 3117910), (58, 1558955), (145, 623582), (290, 311791)]