28844900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{463}}^1$

素因数の和:573

約数の個数: 72

約数和(自身を含む): 72495360

約数和(自身を除く): 43650460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 89, 100, 140, 175, 178, 350, 356, 445, 463, 623, 700, 890, 926, 1246, 1780, 1852, 2225, 2315, 2492, 3115, 3241, 4450, 4630, 6230, 6482, 8900, 9260, 11575, 12460, 12964, 15575, 16205, 23150, 31150, 32410, 41207, 46300, 62300, 64820, 81025, 82414, 162050, 164828, 206035, 288449, 324100, 412070, 576898, 824140, 1030175, 1153796, 1442245, 2060350, 2884490, 4120700, 5768980, 7211225, 14422450, 28844900]

約数ペア:

[(1, 28844900), (2, 14422450), (4, 7211225), (5, 5768980), (7, 4120700), (10, 2884490), (14, 2060350), (20, 1442245), (25, 1153796), (28, 1030175), (35, 824140), (50, 576898), (70, 412070), (89, 324100), (100, 288449), (140, 206035), (175, 164828), (178, 162050), (350, 82414), (356, 81025), (445, 64820), (463, 62300), (623, 46300), (700, 41207), (890, 32410), (926, 31150), (1246, 23150), (1780, 16205), (1852, 15575), (2225, 12964), (2315, 12460), (2492, 11575), (3115, 9260), (3241, 8900), (4450, 6482), (4630, 6230)]