290533520

素因数分解:

$2^4\times 5^1\times {\mathrm{719}}^1\times {\mathrm{5051}}^1$

素因数の和:5783

約数の個数: 40

約数和(自身を含む): 676563840

約数和(自身を除く): 386030320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 719, 1438, 2876, 3595, 5051, 5752, 7190, 10102, 11504, 14380, 20204, 25255, 28760, 40408, 50510, 57520, 80816, 101020, 202040, 404080, 3631669, 7263338, 14526676, 18158345, 29053352, 36316690, 58106704, 72633380, 145266760, 290533520]

約数ペア:

[(1, 290533520), (2, 145266760), (4, 72633380), (5, 58106704), (8, 36316690), (10, 29053352), (16, 18158345), (20, 14526676), (40, 7263338), (80, 3631669), (719, 404080), (1438, 202040), (2876, 101020), (3595, 80816), (5051, 57520), (5752, 50510), (7190, 40408), (10102, 28760), (11504, 25255), (14380, 20204)]