261994670

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{271}}^1\times {\mathrm{1973}}^1$

素因数の和:2265

約数の個数: 48

約数和(自身を含む): 550888128

約数和(自身を除く): 288893458

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 271, 490, 542, 1355, 1897, 1973, 2710, 3794, 3946, 9485, 9865, 13279, 13811, 18970, 19730, 26558, 27622, 66395, 69055, 96677, 132790, 138110, 193354, 483385, 534683, 966770, 1069366, 2673415, 3742781, 5346830, 7485562, 18713905, 26199467, 37427810, 52398934, 130997335, 261994670]

約数ペア:

[(1, 261994670), (2, 130997335), (5, 52398934), (7, 37427810), (10, 26199467), (14, 18713905), (35, 7485562), (49, 5346830), (70, 3742781), (98, 2673415), (245, 1069366), (271, 966770), (490, 534683), (542, 483385), (1355, 193354), (1897, 138110), (1973, 132790), (2710, 96677), (3794, 69055), (3946, 66395), (9485, 27622), (9865, 26558), (13279, 19730), (13811, 18970)]