42800390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{1129}}^1$

素因数の和:1376

約数の個数: 32

約数和(自身を含む): 82010880

約数和(自身を除く): 39210490

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 223, 446, 1115, 1129, 2230, 2258, 3791, 5645, 7582, 11290, 18955, 19193, 37910, 38386, 95965, 191930, 251767, 503534, 1258835, 2517670, 4280039, 8560078, 21400195, 42800390]

約数ペア:

[(1, 42800390), (2, 21400195), (5, 8560078), (10, 4280039), (17, 2517670), (34, 1258835), (85, 503534), (170, 251767), (223, 191930), (446, 95965), (1115, 38386), (1129, 37910), (2230, 19193), (2258, 18955), (3791, 11290), (5645, 7582)]