490236470

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{248851}}^1$

素因数の和:249055

約数の個数: 16

約数和(自身を含む): 886908528

約数和(自身を除く): 396672058

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 248851, 497702, 1244255, 2488510, 49023647, 98047294, 245118235, 490236470]

約数ペア:

[(1, 490236470), (2, 245118235), (5, 98047294), (10, 49023647), (197, 2488510), (394, 1244255), (985, 497702), (1970, 248851)]