748508740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{124337}}^1$

素因数の和:124396

約数の個数: 48

約数和(自身を含む): 1838212992

約数和(自身を除く): 1089704252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 124337, 248674, 497348, 621685, 870359, 1243370, 1740718, 2486740, 3481436, 4351795, 5346491, 8703590, 10692982, 17407180, 21385964, 26732455, 37425437, 53464910, 74850874, 106929820, 149701748, 187127185, 374254370, 748508740]

約数ペア:

[(1, 748508740), (2, 374254370), (4, 187127185), (5, 149701748), (7, 106929820), (10, 74850874), (14, 53464910), (20, 37425437), (28, 26732455), (35, 21385964), (43, 17407180), (70, 10692982), (86, 8703590), (140, 5346491), (172, 4351795), (215, 3481436), (301, 2486740), (430, 1740718), (602, 1243370), (860, 870359), (1204, 621685), (1505, 497348), (3010, 248674), (6020, 124337)]