210320900

素因数分解:

$2^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{15131}}^1$

素因数の和:15284

約数の個数: 36

約数和(自身を含む): 459710160

約数和(自身を除く): 249389260

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 139, 278, 556, 695, 1390, 2780, 3475, 6950, 13900, 15131, 30262, 60524, 75655, 151310, 302620, 378275, 756550, 1513100, 2103209, 4206418, 8412836, 10516045, 21032090, 42064180, 52580225, 105160450, 210320900]

約数ペア:

[(1, 210320900), (2, 105160450), (4, 52580225), (5, 42064180), (10, 21032090), (20, 10516045), (25, 8412836), (50, 4206418), (100, 2103209), (139, 1513100), (278, 756550), (556, 378275), (695, 302620), (1390, 151310), (2780, 75655), (3475, 60524), (6950, 30262), (13900, 15131)]