208029100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1063}}^1$

素因数の和:1199

約数の個数: 72

約数和(自身を含む): 480247040

約数和(自身を除く): 272217940

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 103, 190, 206, 380, 412, 475, 515, 950, 1030, 1063, 1900, 1957, 2060, 2126, 2575, 3914, 4252, 5150, 5315, 7828, 9785, 10300, 10630, 19570, 20197, 21260, 26575, 39140, 40394, 48925, 53150, 80788, 97850, 100985, 106300, 109489, 195700, 201970, 218978, 403940, 437956, 504925, 547445, 1009850, 1094890, 2019700, 2080291, 2189780, 2737225, 4160582, 5474450, 8321164, 10401455, 10948900, 20802910, 41605820, 52007275, 104014550, 208029100]

約数ペア:

[(1, 208029100), (2, 104014550), (4, 52007275), (5, 41605820), (10, 20802910), (19, 10948900), (20, 10401455), (25, 8321164), (38, 5474450), (50, 4160582), (76, 2737225), (95, 2189780), (100, 2080291), (103, 2019700), (190, 1094890), (206, 1009850), (380, 547445), (412, 504925), (475, 437956), (515, 403940), (950, 218978), (1030, 201970), (1063, 195700), (1900, 109489), (1957, 106300), (2060, 100985), (2126, 97850), (2575, 80788), (3914, 53150), (4252, 48925), (5150, 40394), (5315, 39140), (7828, 26575), (9785, 21260), (10300, 20197), (10630, 19570)]