2489380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6551}}^1$

素因数の和:6579

約数の個数: 24

約数和(自身を含む): 5503680

約数和(自身を除く): 3014300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 6551, 13102, 26204, 32755, 65510, 124469, 131020, 248938, 497876, 622345, 1244690, 2489380]

約数ペア:

[(1, 2489380), (2, 1244690), (4, 622345), (5, 497876), (10, 248938), (19, 131020), (20, 124469), (38, 65510), (76, 32755), (95, 26204), (190, 13102), (380, 6551)]