90804400

素因数分解:

$2^4\times 5^2\times {\mathrm{227011}}^1$

素因数の和:227029

約数の個数: 30

約数和(自身を含む): 218158532

約数和(自身を除く): 127354132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 227011, 454022, 908044, 1135055, 1816088, 2270110, 3632176, 4540220, 5675275, 9080440, 11350550, 18160880, 22701100, 45402200, 90804400]

約数ペア:

[(1, 90804400), (2, 45402200), (4, 22701100), (5, 18160880), (8, 11350550), (10, 9080440), (16, 5675275), (20, 4540220), (25, 3632176), (40, 2270110), (50, 1816088), (80, 1135055), (100, 908044), (200, 454022), (400, 227011)]