30211825

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5569}}^1$

素因数の和:5617

約数の個数: 24

約数和(自身を含む): 44203520

約数和(自身を除く): 13991695

約数列:

[1, 5, 7, 25, 31, 35, 155, 175, 217, 775, 1085, 5425, 5569, 27845, 38983, 139225, 172639, 194915, 863195, 974575, 1208473, 4315975, 6042365, 30211825]

約数ペア:

[(1, 30211825), (5, 6042365), (7, 4315975), (25, 1208473), (31, 974575), (35, 863195), (155, 194915), (175, 172639), (217, 139225), (775, 38983), (1085, 27845), (5425, 5569)]