207971380

素因数分解:

$2^2\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{8461}}^1$

素因数の和:9699

約数の個数: 24

約数和(自身を含む): 437146920

約数和(自身を除く): 229175540

約数列:

[1, 2, 4, 5, 10, 20, 1229, 2458, 4916, 6145, 8461, 12290, 16922, 24580, 33844, 42305, 84610, 169220, 10398569, 20797138, 41594276, 51992845, 103985690, 207971380]

約数ペア:

[(1, 207971380), (2, 103985690), (4, 51992845), (5, 41594276), (10, 20797138), (20, 10398569), (1229, 169220), (2458, 84610), (4916, 42305), (6145, 33844), (8461, 24580), (12290, 16922)]