391439020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2795993}}^1$

素因数の和:2796009

約数の個数: 24

約数和(自身を含む): 939453984

約数和(自身を除く): 548014964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2795993, 5591986, 11183972, 13979965, 19571951, 27959930, 39143902, 55919860, 78287804, 97859755, 195719510, 391439020]

約数ペア:

[(1, 391439020), (2, 195719510), (4, 97859755), (5, 78287804), (7, 55919860), (10, 39143902), (14, 27959930), (20, 19571951), (28, 13979965), (35, 11183972), (70, 5591986), (140, 2795993)]