70642040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{252293}}^1$

素因数の和:252311

約数の個数: 32

約数和(自身を含む): 181651680

約数和(自身を除く): 111009640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 252293, 504586, 1009172, 1261465, 1766051, 2018344, 2522930, 3532102, 5045860, 7064204, 8830255, 10091720, 14128408, 17660510, 35321020, 70642040]

約数ペア:

[(1, 70642040), (2, 35321020), (4, 17660510), (5, 14128408), (7, 10091720), (8, 8830255), (10, 7064204), (14, 5045860), (20, 3532102), (28, 2522930), (35, 2018344), (40, 1766051), (56, 1261465), (70, 1009172), (140, 504586), (280, 252293)]