207968950460

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1\times {\mathrm{638059}}^1$

素因数の和:638490

約数の個数: 48

約数和(自身を含む): 448071254400

約数和(自身を除く): 240102303940

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 379, 430, 758, 860, 1516, 1895, 3790, 7580, 16297, 32594, 65188, 81485, 162970, 325940, 638059, 1276118, 2552236, 3190295, 6380590, 12761180, 27436537, 54873074, 109746148, 137182685, 241824361, 274365370, 483648722, 548730740, 967297444, 1209121805, 2418243610, 4836487220, 10398447523, 20796895046, 41593790092, 51992237615, 103984475230, 207968950460]

約数ペア:

[(1, 207968950460), (2, 103984475230), (4, 51992237615), (5, 41593790092), (10, 20796895046), (20, 10398447523), (43, 4836487220), (86, 2418243610), (172, 1209121805), (215, 967297444), (379, 548730740), (430, 483648722), (758, 274365370), (860, 241824361), (1516, 137182685), (1895, 109746148), (3790, 54873074), (7580, 27436537), (16297, 12761180), (32594, 6380590), (65188, 3190295), (81485, 2552236), (162970, 1276118), (325940, 638059)]