494140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{797}}^1$

素因数の和:837

約数の個数: 24

約数和(自身を含む): 1072512

約数和(自身を除く): 578372

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 797, 1594, 3188, 3985, 7970, 15940, 24707, 49414, 98828, 123535, 247070, 494140]

約数ペア:

[(1, 494140), (2, 247070), (4, 123535), (5, 98828), (10, 49414), (20, 24707), (31, 15940), (62, 7970), (124, 3985), (155, 3188), (310, 1594), (620, 797)]