208709870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{9721}}^1$

素因数の和:9860

約数の個数: 32

約数和(自身を含む): 398990880

約数和(自身を除く): 190281010

約数列:

[1, 2, 5, 10, 19, 38, 95, 113, 190, 226, 565, 1130, 2147, 4294, 9721, 10735, 19442, 21470, 48605, 97210, 184699, 369398, 923495, 1098473, 1846990, 2196946, 5492365, 10984730, 20870987, 41741974, 104354935, 208709870]

約数ペア:

[(1, 208709870), (2, 104354935), (5, 41741974), (10, 20870987), (19, 10984730), (38, 5492365), (95, 2196946), (113, 1846990), (190, 1098473), (226, 923495), (565, 369398), (1130, 184699), (2147, 97210), (4294, 48605), (9721, 21470), (10735, 19442)]