216907780

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{35327}}^1$

素因数の和:35643

約数の個数: 24

約数和(自身を含む): 457003008

約数和(自身を除く): 240095228

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 3070, 6140, 35327, 70654, 141308, 176635, 353270, 706540, 10845389, 21690778, 43381556, 54226945, 108453890, 216907780]

約数ペア:

[(1, 216907780), (2, 108453890), (4, 54226945), (5, 43381556), (10, 21690778), (20, 10845389), (307, 706540), (614, 353270), (1228, 176635), (1535, 141308), (3070, 70654), (6140, 35327)]