30510620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{217933}}^1$

素因数の和:217949

約数の個数: 24

約数和(自身を含む): 73225824

約数和(自身を除く): 42715204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 217933, 435866, 871732, 1089665, 1525531, 2179330, 3051062, 4358660, 6102124, 7627655, 15255310, 30510620]

約数ペア:

[(1, 30510620), (2, 15255310), (4, 7627655), (5, 6102124), (7, 4358660), (10, 3051062), (14, 2179330), (20, 1525531), (28, 1089665), (35, 871732), (70, 435866), (140, 217933)]