520039240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1857283}}^1$

素因数の和:1857301

約数の個数: 32

約数和(自身を含む): 1337244480

約数和(自身を除く): 817205240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1857283, 3714566, 7429132, 9286415, 13000981, 14858264, 18572830, 26001962, 37145660, 52003924, 65004905, 74291320, 104007848, 130009810, 260019620, 520039240]

約数ペア:

[(1, 520039240), (2, 260019620), (4, 130009810), (5, 104007848), (7, 74291320), (8, 65004905), (10, 52003924), (14, 37145660), (20, 26001962), (28, 18572830), (35, 14858264), (40, 13000981), (56, 9286415), (70, 7429132), (140, 3714566), (280, 1857283)]