2660140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19001}}^1$

素因数の和:19017

約数の個数: 24

約数和(自身を含む): 6384672

約数和(自身を除く): 3724532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 19001, 38002, 76004, 95005, 133007, 190010, 266014, 380020, 532028, 665035, 1330070, 2660140]

約数ペア:

[(1, 2660140), (2, 1330070), (4, 665035), (5, 532028), (7, 380020), (10, 266014), (14, 190010), (20, 133007), (28, 95005), (35, 76004), (70, 38002), (140, 19001)]