218206840

素因数分解:

$2^3\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{4919}}^1$

素因数の和:6039

約数の個数: 32

約数和(自身を含む): 491508000

約数和(自身を除く): 273301160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1109, 2218, 4436, 4919, 5545, 8872, 9838, 11090, 19676, 22180, 24595, 39352, 44360, 49190, 98380, 196760, 5455171, 10910342, 21820684, 27275855, 43641368, 54551710, 109103420, 218206840]

約数ペア:

[(1, 218206840), (2, 109103420), (4, 54551710), (5, 43641368), (8, 27275855), (10, 21820684), (20, 10910342), (40, 5455171), (1109, 196760), (2218, 98380), (4436, 49190), (4919, 44360), (5545, 39352), (8872, 24595), (9838, 22180), (11090, 19676)]