90129290

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{877}}^1$

素因数の和:1166

約数の個数: 32

約数和(自身を含む): 166890240

約数和(自身を除く): 76760950

約数列:

[1, 2, 5, 10, 43, 86, 215, 239, 430, 478, 877, 1195, 1754, 2390, 4385, 8770, 10277, 20554, 37711, 51385, 75422, 102770, 188555, 209603, 377110, 419206, 1048015, 2096030, 9012929, 18025858, 45064645, 90129290]

約数ペア:

[(1, 90129290), (2, 45064645), (5, 18025858), (10, 9012929), (43, 2096030), (86, 1048015), (215, 419206), (239, 377110), (430, 209603), (478, 188555), (877, 102770), (1195, 75422), (1754, 51385), (2390, 37711), (4385, 20554), (8770, 10277)]