68778850

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{419}}^1$

素因数の和:512

約数の個数: 72

約数和(自身を含む): 151396560

約数和(自身を除く): 82617710

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 67, 70, 98, 134, 175, 245, 335, 350, 419, 469, 490, 670, 838, 938, 1225, 1675, 2095, 2345, 2450, 2933, 3283, 3350, 4190, 4690, 5866, 6566, 10475, 11725, 14665, 16415, 20531, 20950, 23450, 28073, 29330, 32830, 41062, 56146, 73325, 82075, 102655, 140365, 146650, 164150, 196511, 205310, 280730, 393022, 513275, 701825, 982555, 1026550, 1375577, 1403650, 1965110, 2751154, 4912775, 6877885, 9825550, 13755770, 34389425, 68778850]

約数ペア:

[(1, 68778850), (2, 34389425), (5, 13755770), (7, 9825550), (10, 6877885), (14, 4912775), (25, 2751154), (35, 1965110), (49, 1403650), (50, 1375577), (67, 1026550), (70, 982555), (98, 701825), (134, 513275), (175, 393022), (245, 280730), (335, 205310), (350, 196511), (419, 164150), (469, 146650), (490, 140365), (670, 102655), (838, 82075), (938, 73325), (1225, 56146), (1675, 41062), (2095, 32830), (2345, 29330), (2450, 28073), (2933, 23450), (3283, 20950), (3350, 20531), (4190, 16415), (4690, 14665), (5866, 11725), (6566, 10475)]