90185590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43151}}^1$

素因数の和:43188

約数の個数: 32

約数和(自身を含む): 186416640

約数和(自身を除く): 96231050

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 43151, 86302, 215755, 431510, 474661, 819869, 949322, 1639738, 2373305, 4099345, 4746610, 8198690, 9018559, 18037118, 45092795, 90185590]

約数ペア:

[(1, 90185590), (2, 45092795), (5, 18037118), (10, 9018559), (11, 8198690), (19, 4746610), (22, 4099345), (38, 2373305), (55, 1639738), (95, 949322), (110, 819869), (190, 474661), (209, 431510), (418, 215755), (1045, 86302), (2090, 43151)]