212885450

素因数分解:

$2^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{30631}}^1$

素因数の和:30782

約数の個数: 24

約数和(自身を含む): 398828640

約数和(自身を除く): 185943190

約数列:

[1, 2, 5, 10, 25, 50, 139, 278, 695, 1390, 3475, 6950, 30631, 61262, 153155, 306310, 765775, 1531550, 4257709, 8515418, 21288545, 42577090, 106442725, 212885450]

約数ペア:

[(1, 212885450), (2, 106442725), (5, 42577090), (10, 21288545), (25, 8515418), (50, 4257709), (139, 1531550), (278, 765775), (695, 306310), (1390, 153155), (3475, 61262), (6950, 30631)]