90490570

素因数分解:

$2^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{19801}}^1$

素因数の和:20265

約数の個数: 16

約数和(自身を含む): 163247688

約数和(自身を除く): 72757118

約数列:

[1, 2, 5, 10, 457, 914, 2285, 4570, 19801, 39602, 99005, 198010, 9049057, 18098114, 45245285, 90490570]

約数ペア:

[(1, 90490570), (2, 45245285), (5, 18098114), (10, 9049057), (457, 198010), (914, 99005), (2285, 39602), (4570, 19801)]