153205540

素因数分解:

$2^2\times 5^1\times {\mathrm{1931}}^1\times {\mathrm{3967}}^1$

素因数の和:5907

約数の個数: 24

約数和(自身を含む): 321979392

約数和(自身を除く): 168773852

約数列:

[1, 2, 4, 5, 10, 20, 1931, 3862, 3967, 7724, 7934, 9655, 15868, 19310, 19835, 38620, 39670, 79340, 7660277, 15320554, 30641108, 38301385, 76602770, 153205540]

約数ペア:

[(1, 153205540), (2, 76602770), (4, 38301385), (5, 30641108), (10, 15320554), (20, 7660277), (1931, 79340), (3862, 39670), (3967, 38620), (7724, 19835), (7934, 19310), (9655, 15868)]