281122040

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{149533}}^1$

素因数の和:149591

約数の個数: 32

約数和(自身を含む): 645986880

約数和(自身を除く): 364864840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 149533, 299066, 598132, 747665, 1196264, 1495330, 2990660, 5981320, 7028051, 14056102, 28112204, 35140255, 56224408, 70280510, 140561020, 281122040]

約数ペア:

[(1, 281122040), (2, 140561020), (4, 70280510), (5, 56224408), (8, 35140255), (10, 28112204), (20, 14056102), (40, 7028051), (47, 5981320), (94, 2990660), (188, 1495330), (235, 1196264), (376, 747665), (470, 598132), (940, 299066), (1880, 149533)]