7644140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{54601}}^1$

素因数の和:54617

約数の個数: 24

約数和(自身を含む): 18346272

約数和(自身を除く): 10702132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 54601, 109202, 218404, 273005, 382207, 546010, 764414, 1092020, 1528828, 1911035, 3822070, 7644140]

約数ペア:

[(1, 7644140), (2, 3822070), (4, 1911035), (5, 1528828), (7, 1092020), (10, 764414), (14, 546010), (20, 382207), (28, 273005), (35, 218404), (70, 109202), (140, 54601)]