55678280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{198851}}^1$

素因数の和:198869

約数の個数: 32

約数和(自身を含む): 143173440

約数和(自身を除く): 87495160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 198851, 397702, 795404, 994255, 1391957, 1590808, 1988510, 2783914, 3977020, 5567828, 6959785, 7954040, 11135656, 13919570, 27839140, 55678280]

約数ペア:

[(1, 55678280), (2, 27839140), (4, 13919570), (5, 11135656), (7, 7954040), (8, 6959785), (10, 5567828), (14, 3977020), (20, 2783914), (28, 1988510), (35, 1590808), (40, 1391957), (56, 994255), (70, 795404), (140, 397702), (280, 198851)]