201787690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{859}}^1$

素因数の和:1031

約数の個数: 48

約数和(自身を含む): 396597600

約数和(自身を除く): 194809910

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 169, 278, 338, 695, 845, 859, 1390, 1690, 1718, 1807, 3614, 4295, 8590, 9035, 11167, 18070, 22334, 23491, 46982, 55835, 111670, 117455, 119401, 145171, 234910, 238802, 290342, 597005, 725855, 1194010, 1451710, 1552213, 3104426, 7761065, 15522130, 20178769, 40357538, 100893845, 201787690]

約数ペア:

[(1, 201787690), (2, 100893845), (5, 40357538), (10, 20178769), (13, 15522130), (26, 7761065), (65, 3104426), (130, 1552213), (139, 1451710), (169, 1194010), (278, 725855), (338, 597005), (695, 290342), (845, 238802), (859, 234910), (1390, 145171), (1690, 119401), (1718, 117455), (1807, 111670), (3614, 55835), (4295, 46982), (8590, 23491), (9035, 22334), (11167, 18070)]