288996820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2064263}}^1$

素因数の和:2064279

約数の個数: 24

約数和(自身を含む): 693592704

約数和(自身を除く): 404595884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2064263, 4128526, 8257052, 10321315, 14449841, 20642630, 28899682, 41285260, 57799364, 72249205, 144498410, 288996820]

約数ペア:

[(1, 288996820), (2, 144498410), (4, 72249205), (5, 57799364), (7, 41285260), (10, 28899682), (14, 20642630), (20, 14449841), (28, 10321315), (35, 8257052), (70, 4128526), (140, 2064263)]