69870980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{183871}}^1$

素因数の和:183899

約数の個数: 24

約数和(自身を含む): 154452480

約数和(自身を除く): 84581500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 183871, 367742, 735484, 919355, 1838710, 3493549, 3677420, 6987098, 13974196, 17467745, 34935490, 69870980]

約数ペア:

[(1, 69870980), (2, 34935490), (4, 17467745), (5, 13974196), (10, 6987098), (19, 3677420), (20, 3493549), (38, 1838710), (76, 919355), (95, 735484), (190, 367742), (380, 183871)]