133664620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{351749}}^1$

素因数の和:351777

約数の個数: 24

約数和(自身を含む): 295470000

約数和(自身を除く): 161805380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 351749, 703498, 1406996, 1758745, 3517490, 6683231, 7034980, 13366462, 26732924, 33416155, 66832310, 133664620]

約数ペア:

[(1, 133664620), (2, 66832310), (4, 33416155), (5, 26732924), (10, 13366462), (19, 7034980), (20, 6683231), (38, 3517490), (76, 1758745), (95, 1406996), (190, 703498), (380, 351749)]