444340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1709}}^1$

素因数の和:1731

約数の個数: 24

約数和(自身を含む): 1005480

約数和(自身を除く): 561140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1709, 3418, 6836, 8545, 17090, 22217, 34180, 44434, 88868, 111085, 222170, 444340]

約数ペア:

[(1, 444340), (2, 222170), (4, 111085), (5, 88868), (10, 44434), (13, 34180), (20, 22217), (26, 17090), (52, 8545), (65, 6836), (130, 3418), (260, 1709)]