204555800

素因数分解:

$2^3\times 5^2\times {\mathrm{419}}^1\times {\mathrm{2441}}^1$

素因数の和:2876

約数の個数: 48

約数和(自身を含む): 476922600

約数和(自身を除く): 272366800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 419, 838, 1676, 2095, 2441, 3352, 4190, 4882, 8380, 9764, 10475, 12205, 16760, 19528, 20950, 24410, 41900, 48820, 61025, 83800, 97640, 122050, 244100, 488200, 1022779, 2045558, 4091116, 5113895, 8182232, 10227790, 20455580, 25569475, 40911160, 51138950, 102277900, 204555800]

約数ペア:

[(1, 204555800), (2, 102277900), (4, 51138950), (5, 40911160), (8, 25569475), (10, 20455580), (20, 10227790), (25, 8182232), (40, 5113895), (50, 4091116), (100, 2045558), (200, 1022779), (419, 488200), (838, 244100), (1676, 122050), (2095, 97640), (2441, 83800), (3352, 61025), (4190, 48820), (4882, 41900), (8380, 24410), (9764, 20950), (10475, 19528), (12205, 16760)]