187870870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{39719}}^1$

素因数の和:39780

約数の個数: 32

約数和(自身を含む): 377498880

約数和(自身を除く): 189628010

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 4730, 39719, 79438, 198595, 397190, 436909, 873818, 1707917, 2184545, 3415834, 4369090, 8539585, 17079170, 18787087, 37574174, 93935435, 187870870]

約数ペア:

[(1, 187870870), (2, 93935435), (5, 37574174), (10, 18787087), (11, 17079170), (22, 8539585), (43, 4369090), (55, 3415834), (86, 2184545), (110, 1707917), (215, 873818), (430, 436909), (473, 397190), (946, 198595), (2365, 79438), (4730, 39719)]