1391660

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{467}}^1$

素因数の和:625

約数の個数: 24

約数和(自身を含む): 2948400

約数和(自身を除く): 1556740

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 467, 596, 745, 934, 1490, 1868, 2335, 2980, 4670, 9340, 69583, 139166, 278332, 347915, 695830, 1391660]

約数ペア:

[(1, 1391660), (2, 695830), (4, 347915), (5, 278332), (10, 139166), (20, 69583), (149, 9340), (298, 4670), (467, 2980), (596, 2335), (745, 1868), (934, 1490)]