531340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{857}}^1$

素因数の和:897

約数の個数: 24

約数和(自身を含む): 1153152

約数和(自身を除く): 621812

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 857, 1714, 3428, 4285, 8570, 17140, 26567, 53134, 106268, 132835, 265670, 531340]

約数ペア:

[(1, 531340), (2, 265670), (4, 132835), (5, 106268), (10, 53134), (20, 26567), (31, 17140), (62, 8570), (124, 4285), (155, 3428), (310, 1714), (620, 857)]