438348040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{842977}}^1$

素因数の和:843001

約数の個数: 32

約数和(自身を含む): 1062152280

約数和(自身を除く): 623804240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 842977, 1685954, 3371908, 4214885, 6743816, 8429770, 10958701, 16859540, 21917402, 33719080, 43834804, 54793505, 87669608, 109587010, 219174020, 438348040]

約数ペア:

[(1, 438348040), (2, 219174020), (4, 109587010), (5, 87669608), (8, 54793505), (10, 43834804), (13, 33719080), (20, 21917402), (26, 16859540), (40, 10958701), (52, 8429770), (65, 6743816), (104, 4214885), (130, 3371908), (260, 1685954), (520, 842977)]