66763300

素因数分解:

$2^2\times 5^2\times {\mathrm{197}}^1\times {\mathrm{3389}}^1$

素因数の和:3600

約数の個数: 36

約数和(自身を含む): 145654740

約数和(自身を除く): 78891440

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 197, 394, 788, 985, 1970, 3389, 3940, 4925, 6778, 9850, 13556, 16945, 19700, 33890, 67780, 84725, 169450, 338900, 667633, 1335266, 2670532, 3338165, 6676330, 13352660, 16690825, 33381650, 66763300]

約数ペア:

[(1, 66763300), (2, 33381650), (4, 16690825), (5, 13352660), (10, 6676330), (20, 3338165), (25, 2670532), (50, 1335266), (100, 667633), (197, 338900), (394, 169450), (788, 84725), (985, 67780), (1970, 33890), (3389, 19700), (3940, 16945), (4925, 13556), (6778, 9850)]