253563880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{204487}}^1$

素因数の和:204529

約数の個数: 32

約数和(自身を含む): 588925440

約数和(自身を除く): 335361560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 204487, 408974, 817948, 1022435, 1635896, 2044870, 4089740, 6339097, 8179480, 12678194, 25356388, 31695485, 50712776, 63390970, 126781940, 253563880]

約数ペア:

[(1, 253563880), (2, 126781940), (4, 63390970), (5, 50712776), (8, 31695485), (10, 25356388), (20, 12678194), (31, 8179480), (40, 6339097), (62, 4089740), (124, 2044870), (155, 1635896), (248, 1022435), (310, 817948), (620, 408974), (1240, 204487)]