2019010120

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{523}}^1\times {\mathrm{937}}^1$

素因数の和:1574

約数の個数: 64

約数和(自身を含む): 4600552320

約数和(自身を除く): 2581542200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 523, 824, 937, 1030, 1046, 1874, 2060, 2092, 2615, 3748, 4120, 4184, 4685, 5230, 7496, 9370, 10460, 18740, 20920, 37480, 53869, 96511, 107738, 193022, 215476, 269345, 386044, 430952, 482555, 490051, 538690, 772088, 965110, 980102, 1077380, 1930220, 1960204, 2154760, 2450255, 3860440, 3920408, 4900510, 9801020, 19602040, 50475253, 100950506, 201901012, 252376265, 403802024, 504752530, 1009505060, 2019010120]

約数ペア:

[(1, 2019010120), (2, 1009505060), (4, 504752530), (5, 403802024), (8, 252376265), (10, 201901012), (20, 100950506), (40, 50475253), (103, 19602040), (206, 9801020), (412, 4900510), (515, 3920408), (523, 3860440), (824, 2450255), (937, 2154760), (1030, 1960204), (1046, 1930220), (1874, 1077380), (2060, 980102), (2092, 965110), (2615, 772088), (3748, 538690), (4120, 490051), (4184, 482555), (4685, 430952), (5230, 386044), (7496, 269345), (9370, 215476), (10460, 193022), (18740, 107738), (20920, 96511), (37480, 53869)]