129123860

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{1499}}^1$

素因数の和:1640

約数の個数: 48

約数和(自身を含む): 279720000

約数和(自身を除く): 150596140

約数列:

[1, 2, 4, 5, 10, 20, 59, 73, 118, 146, 236, 292, 295, 365, 590, 730, 1180, 1460, 1499, 2998, 4307, 5996, 7495, 8614, 14990, 17228, 21535, 29980, 43070, 86140, 88441, 109427, 176882, 218854, 353764, 437708, 442205, 547135, 884410, 1094270, 1768820, 2188540, 6456193, 12912386, 25824772, 32280965, 64561930, 129123860]

約数ペア:

[(1, 129123860), (2, 64561930), (4, 32280965), (5, 25824772), (10, 12912386), (20, 6456193), (59, 2188540), (73, 1768820), (118, 1094270), (146, 884410), (236, 547135), (292, 442205), (295, 437708), (365, 353764), (590, 218854), (730, 176882), (1180, 109427), (1460, 88441), (1499, 86140), (2998, 43070), (4307, 29980), (5996, 21535), (7495, 17228), (8614, 14990)]