31214960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{7963}}^1$

素因数の和:7990

約数の個数: 60

約数和(自身を含む): 84434328

約数和(自身を除く): 53219368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 7963, 15926, 31852, 39815, 55741, 63704, 79630, 111482, 127408, 159260, 222964, 278705, 318520, 390187, 445928, 557410, 637040, 780374, 891856, 1114820, 1560748, 1950935, 2229640, 3121496, 3901870, 4459280, 6242992, 7803740, 15607480, 31214960]

約数ペア:

[(1, 31214960), (2, 15607480), (4, 7803740), (5, 6242992), (7, 4459280), (8, 3901870), (10, 3121496), (14, 2229640), (16, 1950935), (20, 1560748), (28, 1114820), (35, 891856), (40, 780374), (49, 637040), (56, 557410), (70, 445928), (80, 390187), (98, 318520), (112, 278705), (140, 222964), (196, 159260), (245, 127408), (280, 111482), (392, 79630), (490, 63704), (560, 55741), (784, 39815), (980, 31852), (1960, 15926), (3920, 7963)]