487960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1109}}^1$

素因数の和:1131

約数の個数: 32

約数和(自身を含む): 1198800

約数和(自身を除く): 710840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1109, 2218, 4436, 5545, 8872, 11090, 12199, 22180, 24398, 44360, 48796, 60995, 97592, 121990, 243980, 487960]

約数ペア:

[(1, 487960), (2, 243980), (4, 121990), (5, 97592), (8, 60995), (10, 48796), (11, 44360), (20, 24398), (22, 22180), (40, 12199), (44, 11090), (55, 8872), (88, 5545), (110, 4436), (220, 2218), (440, 1109)]