668822260

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{2179}}^1$

素因数の和:2440

約数の個数: 48

約数和(自身を含む): 1428336000

約数和(自身を除く): 759513740

約数列:

[1, 2, 4, 5, 10, 20, 103, 149, 206, 298, 412, 515, 596, 745, 1030, 1490, 2060, 2179, 2980, 4358, 8716, 10895, 15347, 21790, 30694, 43580, 61388, 76735, 153470, 224437, 306940, 324671, 448874, 649342, 897748, 1122185, 1298684, 1623355, 2244370, 3246710, 4488740, 6493420, 33441113, 66882226, 133764452, 167205565, 334411130, 668822260]

約数ペア:

[(1, 668822260), (2, 334411130), (4, 167205565), (5, 133764452), (10, 66882226), (20, 33441113), (103, 6493420), (149, 4488740), (206, 3246710), (298, 2244370), (412, 1623355), (515, 1298684), (596, 1122185), (745, 897748), (1030, 649342), (1490, 448874), (2060, 324671), (2179, 306940), (2980, 224437), (4358, 153470), (8716, 76735), (10895, 61388), (15347, 43580), (21790, 30694)]