140254415

素因数分解:

$5^1\times 7^5\times {\mathrm{1669}}^1$

素因数の和:1709

約数の個数: 24

約数和(自身を含む): 196472160

約数和(自身を除く): 56217745

約数列:

[1, 5, 7, 35, 49, 245, 343, 1669, 1715, 2401, 8345, 11683, 12005, 16807, 58415, 81781, 84035, 408905, 572467, 2862335, 4007269, 20036345, 28050883, 140254415]

約数ペア:

[(1, 140254415), (5, 28050883), (7, 20036345), (35, 4007269), (49, 2862335), (245, 572467), (343, 408905), (1669, 84035), (1715, 81781), (2401, 58415), (8345, 16807), (11683, 12005)]