27900860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{449}}^1$

素因数の和:710

約数の個数: 48

約数和(自身を含む): 63504000

約数和(自身を除く): 35603140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 239, 260, 449, 478, 898, 956, 1195, 1796, 2245, 2390, 3107, 4490, 4780, 5837, 6214, 8980, 11674, 12428, 15535, 23348, 29185, 31070, 58370, 62140, 107311, 116740, 214622, 429244, 536555, 1073110, 1395043, 2146220, 2790086, 5580172, 6975215, 13950430, 27900860]

約数ペア:

[(1, 27900860), (2, 13950430), (4, 6975215), (5, 5580172), (10, 2790086), (13, 2146220), (20, 1395043), (26, 1073110), (52, 536555), (65, 429244), (130, 214622), (239, 116740), (260, 107311), (449, 62140), (478, 58370), (898, 31070), (956, 29185), (1195, 23348), (1796, 15535), (2245, 12428), (2390, 11674), (3107, 8980), (4490, 6214), (4780, 5837)]