3974420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10459}}^1$

素因数の和:10487

約数の個数: 24

約数和(自身を含む): 8786400

約数和(自身を除く): 4811980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 10459, 20918, 41836, 52295, 104590, 198721, 209180, 397442, 794884, 993605, 1987210, 3974420]

約数ペア:

[(1, 3974420), (2, 1987210), (4, 993605), (5, 794884), (10, 397442), (19, 209180), (20, 198721), (38, 104590), (76, 52295), (95, 41836), (190, 20918), (380, 10459)]