389941510

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{795799}}^1$

素因数の和:795820

約数の個数: 24

約数和(自身を含む): 816490800

約数和(自身を除く): 426549290

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 795799, 1591598, 3978995, 5570593, 7957990, 11141186, 27852965, 38994151, 55705930, 77988302, 194970755, 389941510]

約数ペア:

[(1, 389941510), (2, 194970755), (5, 77988302), (7, 55705930), (10, 38994151), (14, 27852965), (35, 11141186), (49, 7957990), (70, 5570593), (98, 3978995), (245, 1591598), (490, 795799)]