22178800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{89}}^2$

素因数の和:203

約数の個数: 90

約数和(自身を含む): 61588568

約数和(自身を除く): 39409768

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 89, 100, 112, 140, 175, 178, 200, 280, 350, 356, 400, 445, 560, 623, 700, 712, 890, 1246, 1400, 1424, 1780, 2225, 2492, 2800, 3115, 3560, 4450, 4984, 6230, 7120, 7921, 8900, 9968, 12460, 15575, 15842, 17800, 24920, 31150, 31684, 35600, 39605, 49840, 55447, 62300, 63368, 79210, 110894, 124600, 126736, 158420, 198025, 221788, 249200, 277235, 316840, 396050, 443576, 554470, 633680, 792100, 887152, 1108940, 1386175, 1584200, 2217880, 2772350, 3168400, 4435760, 5544700, 11089400, 22178800]

約数ペア:

[(1, 22178800), (2, 11089400), (4, 5544700), (5, 4435760), (7, 3168400), (8, 2772350), (10, 2217880), (14, 1584200), (16, 1386175), (20, 1108940), (25, 887152), (28, 792100), (35, 633680), (40, 554470), (50, 443576), (56, 396050), (70, 316840), (80, 277235), (89, 249200), (100, 221788), (112, 198025), (140, 158420), (175, 126736), (178, 124600), (200, 110894), (280, 79210), (350, 63368), (356, 62300), (400, 55447), (445, 49840), (560, 39605), (623, 35600), (700, 31684), (712, 31150), (890, 24920), (1246, 17800), (1400, 15842), (1424, 15575), (1780, 12460), (2225, 9968), (2492, 8900), (2800, 7921), (3115, 7120), (3560, 6230), (4450, 4984)]