4400690

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{1283}}^1$

素因数の和:1311

約数の個数: 32

約数和(自身を含む): 9244800

約数和(自身を除く): 4844110

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1283, 1715, 2566, 3430, 6415, 8981, 12830, 17962, 44905, 62867, 89810, 125734, 314335, 440069, 628670, 880138, 2200345, 4400690]

約数ペア:

[(1, 4400690), (2, 2200345), (5, 880138), (7, 628670), (10, 440069), (14, 314335), (35, 125734), (49, 89810), (70, 62867), (98, 44905), (245, 17962), (343, 12830), (490, 8981), (686, 6415), (1283, 3430), (1715, 2566)]