699980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1129}}^1$

素因数の和:1169

約数の個数: 24

約数和(自身を含む): 1518720

約数和(自身を除く): 818740

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 1129, 2258, 4516, 5645, 11290, 22580, 34999, 69998, 139996, 174995, 349990, 699980]

約数ペア:

[(1, 699980), (2, 349990), (4, 174995), (5, 139996), (10, 69998), (20, 34999), (31, 22580), (62, 11290), (124, 5645), (155, 4516), (310, 2258), (620, 1129)]