202680520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{723859}}^1$

素因数の和:723877

約数の個数: 32

約数和(自身を含む): 521179200

約数和(自身を除く): 318498680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 723859, 1447718, 2895436, 3619295, 5067013, 5790872, 7238590, 10134026, 14477180, 20268052, 25335065, 28954360, 40536104, 50670130, 101340260, 202680520]

約数ペア:

[(1, 202680520), (2, 101340260), (4, 50670130), (5, 40536104), (7, 28954360), (8, 25335065), (10, 20268052), (14, 14477180), (20, 10134026), (28, 7238590), (35, 5790872), (40, 5067013), (56, 3619295), (70, 2895436), (140, 1447718), (280, 723859)]