30975620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1093}}^1$

素因数の和:1224

約数の個数: 48

約数和(自身を含む): 70759920

約数和(自身を除く): 39784300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 436, 545, 1090, 1093, 1417, 2180, 2186, 2834, 4372, 5465, 5668, 7085, 10930, 14170, 14209, 21860, 28340, 28418, 56836, 71045, 119137, 142090, 238274, 284180, 476548, 595685, 1191370, 1548781, 2382740, 3097562, 6195124, 7743905, 15487810, 30975620]

約数ペア:

[(1, 30975620), (2, 15487810), (4, 7743905), (5, 6195124), (10, 3097562), (13, 2382740), (20, 1548781), (26, 1191370), (52, 595685), (65, 476548), (109, 284180), (130, 238274), (218, 142090), (260, 119137), (436, 71045), (545, 56836), (1090, 28418), (1093, 28340), (1417, 21860), (2180, 14209), (2186, 14170), (2834, 10930), (4372, 7085), (5465, 5668)]