64734740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{677}}^1\times {\mathrm{683}}^1$

素因数の和:1376

約数の個数: 48

約数和(自身を含む): 155820672

約数和(自身を除く): 91085932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 677, 683, 1354, 1366, 2708, 2732, 3385, 3415, 4739, 4781, 6770, 6830, 9478, 9562, 13540, 13660, 18956, 19124, 23695, 23905, 47390, 47810, 94780, 95620, 462391, 924782, 1849564, 2311955, 3236737, 4623910, 6473474, 9247820, 12946948, 16183685, 32367370, 64734740]

約数ペア:

[(1, 64734740), (2, 32367370), (4, 16183685), (5, 12946948), (7, 9247820), (10, 6473474), (14, 4623910), (20, 3236737), (28, 2311955), (35, 1849564), (70, 924782), (140, 462391), (677, 95620), (683, 94780), (1354, 47810), (1366, 47390), (2708, 23905), (2732, 23695), (3385, 19124), (3415, 18956), (4739, 13660), (4781, 13540), (6770, 9562), (6830, 9478)]