199940120

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{33547}}^1$

素因数の和:33707

約数の個数: 32

約数和(自身を含む): 452898000

約数和(自身を除く): 252957880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 33547, 67094, 134188, 167735, 268376, 335470, 670940, 1341880, 4998503, 9997006, 19994012, 24992515, 39988024, 49985030, 99970060, 199940120]

約数ペア:

[(1, 199940120), (2, 99970060), (4, 49985030), (5, 39988024), (8, 24992515), (10, 19994012), (20, 9997006), (40, 4998503), (149, 1341880), (298, 670940), (596, 335470), (745, 268376), (1192, 167735), (1490, 134188), (2980, 67094), (5960, 33547)]