99857140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{2591}}^1$

素因数の和:2688

約数の個数: 48

約数和(自身を含む): 219469824

約数和(自身を除く): 119612684

約数列:

[1, 2, 4, 5, 10, 20, 41, 47, 82, 94, 164, 188, 205, 235, 410, 470, 820, 940, 1927, 2591, 3854, 5182, 7708, 9635, 10364, 12955, 19270, 25910, 38540, 51820, 106231, 121777, 212462, 243554, 424924, 487108, 531155, 608885, 1062310, 1217770, 2124620, 2435540, 4992857, 9985714, 19971428, 24964285, 49928570, 99857140]

約数ペア:

[(1, 99857140), (2, 49928570), (4, 24964285), (5, 19971428), (10, 9985714), (20, 4992857), (41, 2435540), (47, 2124620), (82, 1217770), (94, 1062310), (164, 608885), (188, 531155), (205, 487108), (235, 424924), (410, 243554), (470, 212462), (820, 121777), (940, 106231), (1927, 51820), (2591, 38540), (3854, 25910), (5182, 19270), (7708, 12955), (9635, 10364)]