248380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1129}}^1$

素因数の和:1149

約数の個数: 24

約数和(自身を含む): 569520

約数和(自身を除く): 321140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1129, 2258, 4516, 5645, 11290, 12419, 22580, 24838, 49676, 62095, 124190, 248380]

約数ペア:

[(1, 248380), (2, 124190), (4, 62095), (5, 49676), (10, 24838), (11, 22580), (20, 12419), (22, 11290), (44, 5645), (55, 4516), (110, 2258), (220, 1129)]