31342360

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{15991}}^1$

素因数の和:16016

約数の個数: 48

約数和(自身を含む): 82038960

約数和(自身を除く): 50696600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 15991, 31982, 63964, 79955, 111937, 127928, 159910, 223874, 319820, 447748, 559685, 639640, 783559, 895496, 1119370, 1567118, 2238740, 3134236, 3917795, 4477480, 6268472, 7835590, 15671180, 31342360]

約数ペア:

[(1, 31342360), (2, 15671180), (4, 7835590), (5, 6268472), (7, 4477480), (8, 3917795), (10, 3134236), (14, 2238740), (20, 1567118), (28, 1119370), (35, 895496), (40, 783559), (49, 639640), (56, 559685), (70, 447748), (98, 319820), (140, 223874), (196, 159910), (245, 127928), (280, 111937), (392, 79955), (490, 63964), (980, 31982), (1960, 15991)]