30288100

素因数分解:

$2^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{2179}}^1$

素因数の和:2332

約数の個数: 36

約数和(自身を含む): 66228400

約数和(自身を除く): 35940300

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 139, 278, 556, 695, 1390, 2179, 2780, 3475, 4358, 6950, 8716, 10895, 13900, 21790, 43580, 54475, 108950, 217900, 302881, 605762, 1211524, 1514405, 3028810, 6057620, 7572025, 15144050, 30288100]

約数ペア:

[(1, 30288100), (2, 15144050), (4, 7572025), (5, 6057620), (10, 3028810), (20, 1514405), (25, 1211524), (50, 605762), (100, 302881), (139, 217900), (278, 108950), (556, 54475), (695, 43580), (1390, 21790), (2179, 13900), (2780, 10895), (3475, 8716), (4358, 6950)]