30288400

素因数分解:

$2^4\times 5^2\times {\mathrm{75721}}^1$

素因数の和:75739

約数の個数: 30

約数和(自身を含む): 72768842

約数和(自身を除く): 42480442

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 75721, 151442, 302884, 378605, 605768, 757210, 1211536, 1514420, 1893025, 3028840, 3786050, 6057680, 7572100, 15144200, 30288400]

約数ペア:

[(1, 30288400), (2, 15144200), (4, 7572100), (5, 6057680), (8, 3786050), (10, 3028840), (16, 1893025), (20, 1514420), (25, 1211536), (40, 757210), (50, 605768), (80, 378605), (100, 302884), (200, 151442), (400, 75721)]