907821920

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{120721}}^1$

素因数の和:120783

約数の個数: 48

約数和(自身を含む): 2190379968

約数和(自身を除く): 1282558048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 94, 160, 188, 235, 376, 470, 752, 940, 1504, 1880, 3760, 7520, 120721, 241442, 482884, 603605, 965768, 1207210, 1931536, 2414420, 3863072, 4828840, 5673887, 9657680, 11347774, 19315360, 22695548, 28369435, 45391096, 56738870, 90782192, 113477740, 181564384, 226955480, 453910960, 907821920]

約数ペア:

[(1, 907821920), (2, 453910960), (4, 226955480), (5, 181564384), (8, 113477740), (10, 90782192), (16, 56738870), (20, 45391096), (32, 28369435), (40, 22695548), (47, 19315360), (80, 11347774), (94, 9657680), (160, 5673887), (188, 4828840), (235, 3863072), (376, 2414420), (470, 1931536), (752, 1207210), (940, 965768), (1504, 603605), (1880, 482884), (3760, 241442), (7520, 120721)]