77317940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{552271}}^1$

素因数の和:552287

約数の個数: 24

約数和(自身を含む): 185563392

約数和(自身を除く): 108245452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 552271, 1104542, 2209084, 2761355, 3865897, 5522710, 7731794, 11045420, 15463588, 19329485, 38658970, 77317940]

約数ペア:

[(1, 77317940), (2, 38658970), (4, 19329485), (5, 15463588), (7, 11045420), (10, 7731794), (14, 5522710), (20, 3865897), (28, 2761355), (35, 2209084), (70, 1104542), (140, 552271)]