230474920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{443221}}^1$

素因数の和:443245

約数の個数: 32

約数和(自身を含む): 558459720

約数和(自身を除く): 327984800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 443221, 886442, 1772884, 2216105, 3545768, 4432210, 5761873, 8864420, 11523746, 17728840, 23047492, 28809365, 46094984, 57618730, 115237460, 230474920]

約数ペア:

[(1, 230474920), (2, 115237460), (4, 57618730), (5, 46094984), (8, 28809365), (10, 23047492), (13, 17728840), (20, 11523746), (26, 8864420), (40, 5761873), (52, 4432210), (65, 3545768), (104, 2216105), (130, 1772884), (260, 886442), (520, 443221)]