3898420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10259}}^1$

素因数の和:10287

約数の個数: 24

約数和(自身を含む): 8618400

約数和(自身を除く): 4719980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 10259, 20518, 41036, 51295, 102590, 194921, 205180, 389842, 779684, 974605, 1949210, 3898420]

約数ペア:

[(1, 3898420), (2, 1949210), (4, 974605), (5, 779684), (10, 389842), (19, 205180), (20, 194921), (38, 102590), (76, 51295), (95, 41036), (190, 20518), (380, 10259)]