1008029900

素因数分解:

$2^2\times 5^2\times {\mathrm{499}}^1\times {\mathrm{20201}}^1$

素因数の和:20714

約数の個数: 36

約数和(自身を含む): 2191917000

約数和(自身を除く): 1183887100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 499, 998, 1996, 2495, 4990, 9980, 12475, 20201, 24950, 40402, 49900, 80804, 101005, 202010, 404020, 505025, 1010050, 2020100, 10080299, 20160598, 40321196, 50401495, 100802990, 201605980, 252007475, 504014950, 1008029900]

約数ペア:

[(1, 1008029900), (2, 504014950), (4, 252007475), (5, 201605980), (10, 100802990), (20, 50401495), (25, 40321196), (50, 20160598), (100, 10080299), (499, 2020100), (998, 1010050), (1996, 505025), (2495, 404020), (4990, 202010), (9980, 101005), (12475, 80804), (20201, 49900), (24950, 40402)]