8666650

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:223

約数の個数: 48

約数和(自身を含む): 17186400

約数和(自身を除く): 8519750

約数列:

[1, 2, 5, 10, 25, 29, 43, 50, 58, 86, 139, 145, 215, 278, 290, 430, 695, 725, 1075, 1247, 1390, 1450, 2150, 2494, 3475, 4031, 5977, 6235, 6950, 8062, 11954, 12470, 20155, 29885, 31175, 40310, 59770, 62350, 100775, 149425, 173333, 201550, 298850, 346666, 866665, 1733330, 4333325, 8666650]

約数ペア:

[(1, 8666650), (2, 4333325), (5, 1733330), (10, 866665), (25, 346666), (29, 298850), (43, 201550), (50, 173333), (58, 149425), (86, 100775), (139, 62350), (145, 59770), (215, 40310), (278, 31175), (290, 29885), (430, 20155), (695, 12470), (725, 11954), (1075, 8062), (1247, 6950), (1390, 6235), (1450, 5977), (2150, 4031), (2494, 3475)]