87380440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{312073}}^1$

素因数の和:312091

約数の個数: 32

約数和(自身を含む): 224693280

約数和(自身を除く): 137312840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 312073, 624146, 1248292, 1560365, 2184511, 2496584, 3120730, 4369022, 6241460, 8738044, 10922555, 12482920, 17476088, 21845110, 43690220, 87380440]

約数ペア:

[(1, 87380440), (2, 43690220), (4, 21845110), (5, 17476088), (7, 12482920), (8, 10922555), (10, 8738044), (14, 6241460), (20, 4369022), (28, 3120730), (35, 2496584), (40, 2184511), (56, 1560365), (70, 1248292), (140, 624146), (280, 312073)]