206988440

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{28909}}^1$

素因数の和:29099

約数の個数: 32

約数和(自身を含む): 468342000

約数和(自身を除く): 261353560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1432, 1790, 3580, 7160, 28909, 57818, 115636, 144545, 231272, 289090, 578180, 1156360, 5174711, 10349422, 20698844, 25873555, 41397688, 51747110, 103494220, 206988440]

約数ペア:

[(1, 206988440), (2, 103494220), (4, 51747110), (5, 41397688), (8, 25873555), (10, 20698844), (20, 10349422), (40, 5174711), (179, 1156360), (358, 578180), (716, 289090), (895, 231272), (1432, 144545), (1790, 115636), (3580, 57818), (7160, 28909)]