626783480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{1187}}^1$

素因数の和:1548

約数の個数: 64

約数和(自身を含む): 1448979840

約数和(自身を除く): 822196360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 307, 344, 430, 614, 860, 1187, 1228, 1535, 1720, 2374, 2456, 3070, 4748, 5935, 6140, 9496, 11870, 12280, 13201, 23740, 26402, 47480, 51041, 52804, 66005, 102082, 105608, 132010, 204164, 255205, 264020, 364409, 408328, 510410, 528040, 728818, 1020820, 1457636, 1822045, 2041640, 2915272, 3644090, 7288180, 14576360, 15669587, 31339174, 62678348, 78347935, 125356696, 156695870, 313391740, 626783480]

約数ペア:

[(1, 626783480), (2, 313391740), (4, 156695870), (5, 125356696), (8, 78347935), (10, 62678348), (20, 31339174), (40, 15669587), (43, 14576360), (86, 7288180), (172, 3644090), (215, 2915272), (307, 2041640), (344, 1822045), (430, 1457636), (614, 1020820), (860, 728818), (1187, 528040), (1228, 510410), (1535, 408328), (1720, 364409), (2374, 264020), (2456, 255205), (3070, 204164), (4748, 132010), (5935, 105608), (6140, 102082), (9496, 66005), (11870, 52804), (12280, 51041), (13201, 47480), (23740, 26402)]