1898960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3391}}^1$

素因数の和:3411

約数の個数: 40

約数和(自身を含む): 5047296

約数和(自身を除く): 3148336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3391, 6782, 13564, 16955, 23737, 27128, 33910, 47474, 54256, 67820, 94948, 118685, 135640, 189896, 237370, 271280, 379792, 474740, 949480, 1898960]

約数ペア:

[(1, 1898960), (2, 949480), (4, 474740), (5, 379792), (7, 271280), (8, 237370), (10, 189896), (14, 135640), (16, 118685), (20, 94948), (28, 67820), (35, 54256), (40, 47474), (56, 33910), (70, 27128), (80, 23737), (112, 16955), (140, 13564), (280, 6782), (560, 3391)]