890227970

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{864299}}^1$

素因数の和:864409

約数の個数: 16

約数和(自身を含む): 1617969600

約数和(自身を除く): 727741630

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 864299, 1728598, 4321495, 8642990, 89022797, 178045594, 445113985, 890227970]

約数ペア:

[(1, 890227970), (2, 445113985), (5, 178045594), (10, 89022797), (103, 8642990), (206, 4321495), (515, 1728598), (1030, 864299)]