418822780

素因数分解:

$2^2\times 5^1\times {\mathrm{2797}}^1\times {\mathrm{7487}}^1$

素因数の和:10293

約数の個数: 24

約数和(自身を含む): 879959808

約数和(自身を除く): 461137028

約数列:

[1, 2, 4, 5, 10, 20, 2797, 5594, 7487, 11188, 13985, 14974, 27970, 29948, 37435, 55940, 74870, 149740, 20941139, 41882278, 83764556, 104705695, 209411390, 418822780]

約数ペア:

[(1, 418822780), (2, 209411390), (4, 104705695), (5, 83764556), (10, 41882278), (20, 20941139), (2797, 149740), (5594, 74870), (7487, 55940), (11188, 37435), (13985, 29948), (14974, 27970)]