30711880

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{5153}}^1$

素因数の和:5313

約数の個数: 32

約数和(自身を含む): 69579000

約数和(自身を除く): 38867120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5153, 5960, 10306, 20612, 25765, 41224, 51530, 103060, 206120, 767797, 1535594, 3071188, 3838985, 6142376, 7677970, 15355940, 30711880]

約数ペア:

[(1, 30711880), (2, 15355940), (4, 7677970), (5, 6142376), (8, 3838985), (10, 3071188), (20, 1535594), (40, 767797), (149, 206120), (298, 103060), (596, 51530), (745, 41224), (1192, 25765), (1490, 20612), (2980, 10306), (5153, 5960)]