68845588

素因数分解:

$2^2\times 7^3\times {\mathrm{19}}^2\times {\mathrm{139}}^1$

素因数の和:202

約数の個数: 72

約数和(自身を含む): 149352000

約数和(自身を除く): 80506412

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 139, 196, 266, 278, 343, 361, 532, 556, 686, 722, 931, 973, 1372, 1444, 1862, 1946, 2527, 2641, 3724, 3892, 5054, 5282, 6517, 6811, 10108, 10564, 13034, 13622, 17689, 18487, 26068, 27244, 35378, 36974, 47677, 50179, 70756, 73948, 95354, 100358, 123823, 129409, 190708, 200716, 247646, 258818, 351253, 495292, 517636, 702506, 905863, 1405012, 1811726, 2458771, 3623452, 4917542, 9835084, 17211397, 34422794, 68845588]

約数ペア:

[(1, 68845588), (2, 34422794), (4, 17211397), (7, 9835084), (14, 4917542), (19, 3623452), (28, 2458771), (38, 1811726), (49, 1405012), (76, 905863), (98, 702506), (133, 517636), (139, 495292), (196, 351253), (266, 258818), (278, 247646), (343, 200716), (361, 190708), (532, 129409), (556, 123823), (686, 100358), (722, 95354), (931, 73948), (973, 70756), (1372, 50179), (1444, 47677), (1862, 36974), (1946, 35378), (2527, 27244), (2641, 26068), (3724, 18487), (3892, 17689), (5054, 13622), (5282, 13034), (6517, 10564), (6811, 10108)]