139778800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{49921}}^1$

素因数の和:49946

約数の個数: 60

約数和(自身を含む): 383800336

約数和(自身を除く): 244021536

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 49921, 99842, 199684, 249605, 349447, 399368, 499210, 698894, 798736, 998420, 1248025, 1397788, 1747235, 1996840, 2496050, 2795576, 3494470, 3993680, 4992100, 5591152, 6988940, 8736175, 9984200, 13977880, 17472350, 19968400, 27955760, 34944700, 69889400, 139778800]

約数ペア:

[(1, 139778800), (2, 69889400), (4, 34944700), (5, 27955760), (7, 19968400), (8, 17472350), (10, 13977880), (14, 9984200), (16, 8736175), (20, 6988940), (25, 5591152), (28, 4992100), (35, 3993680), (40, 3494470), (50, 2795576), (56, 2496050), (70, 1996840), (80, 1747235), (100, 1397788), (112, 1248025), (140, 998420), (175, 798736), (200, 698894), (280, 499210), (350, 399368), (400, 349447), (560, 249605), (700, 199684), (1400, 99842), (2800, 49921)]