921940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1487}}^1$

素因数の和:1527

約数の個数: 24

約数和(自身を含む): 1999872

約数和(自身を除く): 1077932

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 1487, 2974, 5948, 7435, 14870, 29740, 46097, 92194, 184388, 230485, 460970, 921940]

約数ペア:

[(1, 921940), (2, 460970), (4, 230485), (5, 184388), (10, 92194), (20, 46097), (31, 29740), (62, 14870), (124, 7435), (155, 5948), (310, 2974), (620, 1487)]