201292280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{718901}}^1$

素因数の和:718919

約数の個数: 32

約数和(自身を含む): 517609440

約数和(自身を除く): 316317160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 718901, 1437802, 2875604, 3594505, 5032307, 5751208, 7189010, 10064614, 14378020, 20129228, 25161535, 28756040, 40258456, 50323070, 100646140, 201292280]

約数ペア:

[(1, 201292280), (2, 100646140), (4, 50323070), (5, 40258456), (7, 28756040), (8, 25161535), (10, 20129228), (14, 14378020), (20, 10064614), (28, 7189010), (35, 5751208), (40, 5032307), (56, 3594505), (70, 2875604), (140, 1437802), (280, 718901)]