201905380

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{20231}}^1$

素因数の和:20739

約数の個数: 24

約数和(自身を含む): 424872000

約数和(自身を除く): 222966620

約数列:

[1, 2, 4, 5, 10, 20, 499, 998, 1996, 2495, 4990, 9980, 20231, 40462, 80924, 101155, 202310, 404620, 10095269, 20190538, 40381076, 50476345, 100952690, 201905380]

約数ペア:

[(1, 201905380), (2, 100952690), (4, 50476345), (5, 40381076), (10, 20190538), (20, 10095269), (499, 404620), (998, 202310), (1996, 101155), (2495, 80924), (4990, 40462), (9980, 20231)]