128214620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{173263}}^1$

素因数の和:173309

約数の個数: 24

約数和(自身を含む): 276529344

約数和(自身を除く): 148314724

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 173263, 346526, 693052, 866315, 1732630, 3465260, 6410731, 12821462, 25642924, 32053655, 64107310, 128214620]

約数ペア:

[(1, 128214620), (2, 64107310), (4, 32053655), (5, 25642924), (10, 12821462), (20, 6410731), (37, 3465260), (74, 1732630), (148, 866315), (185, 693052), (370, 346526), (740, 173263)]