740147720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1423361}}^1$

素因数の和:1423385

約数の個数: 32

約数和(自身を含む): 1793436120

約数和(自身を除く): 1053288400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1423361, 2846722, 5693444, 7116805, 11386888, 14233610, 18503693, 28467220, 37007386, 56934440, 74014772, 92518465, 148029544, 185036930, 370073860, 740147720]

約数ペア:

[(1, 740147720), (2, 370073860), (4, 185036930), (5, 148029544), (8, 92518465), (10, 74014772), (13, 56934440), (20, 37007386), (26, 28467220), (40, 18503693), (52, 14233610), (65, 11386888), (104, 7116805), (130, 5693444), (260, 2846722), (520, 1423361)]