221298910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{14983}}^1$

素因数の和:15208

約数の個数: 32

約数和(自身を含む): 457431552

約数和(自身を除く): 236132642

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 211, 422, 1055, 1477, 2110, 2954, 7385, 14770, 14983, 29966, 74915, 104881, 149830, 209762, 524405, 1048810, 3161413, 6322826, 15807065, 22129891, 31614130, 44259782, 110649455, 221298910]

約数ペア:

[(1, 221298910), (2, 110649455), (5, 44259782), (7, 31614130), (10, 22129891), (14, 15807065), (35, 6322826), (70, 3161413), (211, 1048810), (422, 524405), (1055, 209762), (1477, 149830), (2110, 104881), (2954, 74915), (7385, 29966), (14770, 14983)]