889291220

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{91303}}^1$

素因数の和:91799

約数の個数: 24

約数和(自身を含む): 1871366784

約数和(自身を除く): 982075564

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2435, 4870, 9740, 91303, 182606, 365212, 456515, 913030, 1826060, 44464561, 88929122, 177858244, 222322805, 444645610, 889291220]

約数ペア:

[(1, 889291220), (2, 444645610), (4, 222322805), (5, 177858244), (10, 88929122), (20, 44464561), (487, 1826060), (974, 913030), (1948, 456515), (2435, 365212), (4870, 182606), (9740, 91303)]