315091660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{3823}}^1$

素因数の和:4162

約数の個数: 48

約数和(自身を含む): 715026816

約数和(自身を除く): 399935156

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 317, 634, 1268, 1585, 3170, 3823, 4121, 6340, 7646, 8242, 15292, 16484, 19115, 20605, 38230, 41210, 49699, 76460, 82420, 99398, 198796, 248495, 496990, 993980, 1211891, 2423782, 4847564, 6059455, 12118910, 15754583, 24237820, 31509166, 63018332, 78772915, 157545830, 315091660]

約数ペア:

[(1, 315091660), (2, 157545830), (4, 78772915), (5, 63018332), (10, 31509166), (13, 24237820), (20, 15754583), (26, 12118910), (52, 6059455), (65, 4847564), (130, 2423782), (260, 1211891), (317, 993980), (634, 496990), (1268, 248495), (1585, 198796), (3170, 99398), (3823, 82420), (4121, 76460), (6340, 49699), (7646, 41210), (8242, 38230), (15292, 20605), (16484, 19115)]