243804340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{937709}}^1$

素因数の和:937731

約数の個数: 24

約数和(自身を含む): 551373480

約数和(自身を除く): 307569140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 937709, 1875418, 3750836, 4688545, 9377090, 12190217, 18754180, 24380434, 48760868, 60951085, 121902170, 243804340]

約数ペア:

[(1, 243804340), (2, 121902170), (4, 60951085), (5, 48760868), (10, 24380434), (13, 18754180), (20, 12190217), (26, 9377090), (52, 4688545), (65, 3750836), (130, 1875418), (260, 937709)]