245875240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{472837}}^1$

素因数の和:472861

約数の個数: 32

約数和(自身を含む): 595775880

約数和(自身を除く): 349900640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 472837, 945674, 1891348, 2364185, 3782696, 4728370, 6146881, 9456740, 12293762, 18913480, 24587524, 30734405, 49175048, 61468810, 122937620, 245875240]

約数ペア:

[(1, 245875240), (2, 122937620), (4, 61468810), (5, 49175048), (8, 30734405), (10, 24587524), (13, 18913480), (20, 12293762), (26, 9456740), (40, 6146881), (52, 4728370), (65, 3782696), (104, 2364185), (130, 1891348), (260, 945674), (520, 472837)]