28460740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18481}}^1$

素因数の和:18508

約数の個数: 48

約数和(自身を含む): 74519424

約数和(自身を除く): 46058684

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 18481, 36962, 73924, 92405, 129367, 184810, 203291, 258734, 369620, 406582, 517468, 646835, 813164, 1016455, 1293670, 1423037, 2032910, 2587340, 2846074, 4065820, 5692148, 7115185, 14230370, 28460740]

約数ペア:

[(1, 28460740), (2, 14230370), (4, 7115185), (5, 5692148), (7, 4065820), (10, 2846074), (11, 2587340), (14, 2032910), (20, 1423037), (22, 1293670), (28, 1016455), (35, 813164), (44, 646835), (55, 517468), (70, 406582), (77, 369620), (110, 258734), (140, 203291), (154, 184810), (220, 129367), (308, 92405), (385, 73924), (770, 36962), (1540, 18481)]