245459820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4090997}}^1$

素因数の和:4091009

約数の個数: 24

約数和(自身を含む): 687287664

約数和(自身を除く): 441827844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4090997, 8181994, 12272991, 16363988, 20454985, 24545982, 40909970, 49091964, 61364955, 81819940, 122729910, 245459820]

約数ペア:

[(1, 245459820), (2, 122729910), (3, 81819940), (4, 61364955), (5, 49091964), (6, 40909970), (10, 24545982), (12, 20454985), (15, 16363988), (20, 12272991), (30, 8181994), (60, 4090997)]