31403060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{449}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 71442000

約数和(自身を除く): 40038940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 269, 449, 538, 898, 1076, 1345, 1796, 2245, 2690, 3497, 4490, 5380, 5837, 6994, 8980, 11674, 13988, 17485, 23348, 29185, 34970, 58370, 69940, 116740, 120781, 241562, 483124, 603905, 1207810, 1570153, 2415620, 3140306, 6280612, 7850765, 15701530, 31403060]

約数ペア:

[(1, 31403060), (2, 15701530), (4, 7850765), (5, 6280612), (10, 3140306), (13, 2415620), (20, 1570153), (26, 1207810), (52, 603905), (65, 483124), (130, 241562), (260, 120781), (269, 116740), (449, 69940), (538, 58370), (898, 34970), (1076, 29185), (1345, 23348), (1796, 17485), (2245, 13988), (2690, 11674), (3497, 8980), (4490, 6994), (5380, 5837)]