208426540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1488761}}^1$

素因数の和:1488777

約数の個数: 24

約数和(自身を含む): 500224032

約数和(自身を除く): 291797492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1488761, 2977522, 5955044, 7443805, 10421327, 14887610, 20842654, 29775220, 41685308, 52106635, 104213270, 208426540]

約数ペア:

[(1, 208426540), (2, 104213270), (4, 52106635), (5, 41685308), (7, 29775220), (10, 20842654), (14, 14887610), (20, 10421327), (28, 7443805), (35, 5955044), (70, 2977522), (140, 1488761)]