221886670

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{1997}}^1$

素因数の和:2316

約数の個数: 32

約数和(自身を含む): 410852736

約数和(自身を除く): 188966066

約数列:

[1, 2, 5, 10, 41, 82, 205, 271, 410, 542, 1355, 1997, 2710, 3994, 9985, 11111, 19970, 22222, 55555, 81877, 111110, 163754, 409385, 541187, 818770, 1082374, 2705935, 5411870, 22188667, 44377334, 110943335, 221886670]

約数ペア:

[(1, 221886670), (2, 110943335), (5, 44377334), (10, 22188667), (41, 5411870), (82, 2705935), (205, 1082374), (271, 818770), (410, 541187), (542, 409385), (1355, 163754), (1997, 111110), (2710, 81877), (3994, 55555), (9985, 22222), (11111, 19970)]