30659020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{218993}}^1$

素因数の和:219009

約数の個数: 24

約数和(自身を含む): 73581984

約数和(自身を除く): 42922964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 218993, 437986, 875972, 1094965, 1532951, 2189930, 3065902, 4379860, 6131804, 7664755, 15329510, 30659020]

約数ペア:

[(1, 30659020), (2, 15329510), (4, 7664755), (5, 6131804), (7, 4379860), (10, 3065902), (14, 2189930), (20, 1532951), (28, 1094965), (35, 875972), (70, 437986), (140, 218993)]