308409820

素因数分解:

$2^2\times 5^1\times {\mathrm{2767}}^1\times {\mathrm{5573}}^1$

素因数の和:8349

約数の個数: 24

約数和(自身を含む): 648010944

約数和(自身を除く): 339601124

約数列:

[1, 2, 4, 5, 10, 20, 2767, 5534, 5573, 11068, 11146, 13835, 22292, 27670, 27865, 55340, 55730, 111460, 15420491, 30840982, 61681964, 77102455, 154204910, 308409820]

約数ペア:

[(1, 308409820), (2, 154204910), (4, 77102455), (5, 61681964), (10, 30840982), (20, 15420491), (2767, 111460), (5534, 55730), (5573, 55340), (11068, 27865), (11146, 27670), (13835, 22292)]