489260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1439}}^1$

素因数の和:1465

約数の個数: 24

約数和(自身を含む): 1088640

約数和(自身を除く): 599380

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1439, 2878, 5756, 7195, 14390, 24463, 28780, 48926, 97852, 122315, 244630, 489260]

約数ペア:

[(1, 489260), (2, 244630), (4, 122315), (5, 97852), (10, 48926), (17, 28780), (20, 24463), (34, 14390), (68, 7195), (85, 5756), (170, 2878), (340, 1439)]