252384440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{81943}}^1$

素因数の和:81972

約数の個数: 64

約数和(自身を含む): 707996160

約数和(自身を除く): 455611720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 81943, 163886, 327772, 409715, 573601, 655544, 819430, 901373, 1147202, 1638860, 1802746, 2294404, 2868005, 3277720, 3605492, 4506865, 4588808, 5736010, 6309611, 7210984, 9013730, 11472020, 12619222, 18027460, 22944040, 25238444, 31548055, 36054920, 50476888, 63096110, 126192220, 252384440]

約数ペア:

[(1, 252384440), (2, 126192220), (4, 63096110), (5, 50476888), (7, 36054920), (8, 31548055), (10, 25238444), (11, 22944040), (14, 18027460), (20, 12619222), (22, 11472020), (28, 9013730), (35, 7210984), (40, 6309611), (44, 5736010), (55, 4588808), (56, 4506865), (70, 3605492), (77, 3277720), (88, 2868005), (110, 2294404), (140, 1802746), (154, 1638860), (220, 1147202), (280, 901373), (308, 819430), (385, 655544), (440, 573601), (616, 409715), (770, 327772), (1540, 163886), (3080, 81943)]