28447220

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{571}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 62270208

約数和(自身を除く): 33822988

約数列:

[1, 2, 4, 5, 10, 20, 47, 53, 94, 106, 188, 212, 235, 265, 470, 530, 571, 940, 1060, 1142, 2284, 2491, 2855, 4982, 5710, 9964, 11420, 12455, 24910, 26837, 30263, 49820, 53674, 60526, 107348, 121052, 134185, 151315, 268370, 302630, 536740, 605260, 1422361, 2844722, 5689444, 7111805, 14223610, 28447220]

約数ペア:

[(1, 28447220), (2, 14223610), (4, 7111805), (5, 5689444), (10, 2844722), (20, 1422361), (47, 605260), (53, 536740), (94, 302630), (106, 268370), (188, 151315), (212, 134185), (235, 121052), (265, 107348), (470, 60526), (530, 53674), (571, 49820), (940, 30263), (1060, 26837), (1142, 24910), (2284, 12455), (2491, 11420), (2855, 9964), (4982, 5710)]