378620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1721}}^1$

素因数の和:1741

約数の個数: 24

約数和(自身を含む): 867888

約数和(自身を除く): 489268

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1721, 3442, 6884, 8605, 17210, 18931, 34420, 37862, 75724, 94655, 189310, 378620]

約数ペア:

[(1, 378620), (2, 189310), (4, 94655), (5, 75724), (10, 37862), (11, 34420), (20, 18931), (22, 17210), (44, 8605), (55, 6884), (110, 3442), (220, 1721)]