520029020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3714493}}^1$

素因数の和:3714509

約数の個数: 24

約数和(自身を含む): 1248069984

約数和(自身を除く): 728040964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3714493, 7428986, 14857972, 18572465, 26001451, 37144930, 52002902, 74289860, 104005804, 130007255, 260014510, 520029020]

約数ペア:

[(1, 520029020), (2, 260014510), (4, 130007255), (5, 104005804), (7, 74289860), (10, 52002902), (14, 37144930), (20, 26001451), (28, 18572465), (35, 14857972), (70, 7428986), (140, 3714493)]