28700220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2267}}^1$

素因数の和:2490

約数の個数: 48

約数和(自身を含む): 80777088

約数和(自身を除く): 52076868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 211, 422, 633, 844, 1055, 1266, 2110, 2267, 2532, 3165, 4220, 4534, 6330, 6801, 9068, 11335, 12660, 13602, 22670, 27204, 34005, 45340, 68010, 136020, 478337, 956674, 1435011, 1913348, 2391685, 2870022, 4783370, 5740044, 7175055, 9566740, 14350110, 28700220]

約数ペア:

[(1, 28700220), (2, 14350110), (3, 9566740), (4, 7175055), (5, 5740044), (6, 4783370), (10, 2870022), (12, 2391685), (15, 1913348), (20, 1435011), (30, 956674), (60, 478337), (211, 136020), (422, 68010), (633, 45340), (844, 34005), (1055, 27204), (1266, 22670), (2110, 13602), (2267, 12660), (2532, 11335), (3165, 9068), (4220, 6801), (4534, 6330)]