90226780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{1237}}^1$

素因数の和:1774

約数の個数: 48

約数和(自身を含む): 217135296

約数和(自身を除く): 126908516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 521, 1042, 1237, 2084, 2474, 2605, 3647, 4948, 5210, 6185, 7294, 8659, 10420, 12370, 14588, 17318, 18235, 24740, 34636, 36470, 43295, 72940, 86590, 173180, 644477, 1288954, 2577908, 3222385, 4511339, 6444770, 9022678, 12889540, 18045356, 22556695, 45113390, 90226780]

約数ペア:

[(1, 90226780), (2, 45113390), (4, 22556695), (5, 18045356), (7, 12889540), (10, 9022678), (14, 6444770), (20, 4511339), (28, 3222385), (35, 2577908), (70, 1288954), (140, 644477), (521, 173180), (1042, 86590), (1237, 72940), (2084, 43295), (2474, 36470), (2605, 34636), (3647, 24740), (4948, 18235), (5210, 17318), (6185, 14588), (7294, 12370), (8659, 10420)]