28905170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{491}}^1$

素因数の和:563

約数の個数: 48

約数和(自身を含む): 61708608

約数和(自身を除く): 32803438

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 491, 841, 982, 1015, 1682, 2030, 2455, 3437, 4205, 4910, 5887, 6874, 8410, 11774, 14239, 17185, 28478, 29435, 34370, 58870, 71195, 99673, 142390, 199346, 412931, 498365, 825862, 996730, 2064655, 2890517, 4129310, 5781034, 14452585, 28905170]

約数ペア:

[(1, 28905170), (2, 14452585), (5, 5781034), (7, 4129310), (10, 2890517), (14, 2064655), (29, 996730), (35, 825862), (58, 498365), (70, 412931), (145, 199346), (203, 142390), (290, 99673), (406, 71195), (491, 58870), (841, 34370), (982, 29435), (1015, 28478), (1682, 17185), (2030, 14239), (2455, 11774), (3437, 8410), (4205, 6874), (4910, 5887)]