74978680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{267781}}^1$

素因数の和:267799

約数の個数: 32

約数和(自身を含む): 192803040

約数和(自身を除く): 117824360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 267781, 535562, 1071124, 1338905, 1874467, 2142248, 2677810, 3748934, 5355620, 7497868, 9372335, 10711240, 14995736, 18744670, 37489340, 74978680]

約数ペア:

[(1, 74978680), (2, 37489340), (4, 18744670), (5, 14995736), (7, 10711240), (8, 9372335), (10, 7497868), (14, 5355620), (20, 3748934), (28, 2677810), (35, 2142248), (40, 1874467), (56, 1338905), (70, 1071124), (140, 535562), (280, 267781)]