391719940

素因数分解:

$2^2\times 5^1\times {\mathrm{1297}}^1\times {\mathrm{15101}}^1$

素因数の和:16407

約数の個数: 24

約数和(自身を含む): 823300632

約数和(自身を除く): 431580692

約数列:

[1, 2, 4, 5, 10, 20, 1297, 2594, 5188, 6485, 12970, 15101, 25940, 30202, 60404, 75505, 151010, 302020, 19585997, 39171994, 78343988, 97929985, 195859970, 391719940]

約数ペア:

[(1, 391719940), (2, 195859970), (4, 97929985), (5, 78343988), (10, 39171994), (20, 19585997), (1297, 302020), (2594, 151010), (5188, 75505), (6485, 60404), (12970, 30202), (15101, 25940)]