255468976

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^2\times {\mathrm{613}}^1$

素因数の和:750

約数の個数: 60

約数和(自身を含む): 576044976

約数和(自身を除く): 320576000

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 112, 122, 244, 427, 488, 613, 854, 976, 1226, 1708, 2452, 3416, 3721, 4291, 4904, 6832, 7442, 8582, 9808, 14884, 17164, 26047, 29768, 34328, 37393, 52094, 59536, 68656, 74786, 104188, 149572, 208376, 261751, 299144, 416752, 523502, 598288, 1047004, 2094008, 2280973, 4188016, 4561946, 9123892, 15966811, 18247784, 31933622, 36495568, 63867244, 127734488, 255468976]

約数ペア:

[(1, 255468976), (2, 127734488), (4, 63867244), (7, 36495568), (8, 31933622), (14, 18247784), (16, 15966811), (28, 9123892), (56, 4561946), (61, 4188016), (112, 2280973), (122, 2094008), (244, 1047004), (427, 598288), (488, 523502), (613, 416752), (854, 299144), (976, 261751), (1226, 208376), (1708, 149572), (2452, 104188), (3416, 74786), (3721, 68656), (4291, 59536), (4904, 52094), (6832, 37393), (7442, 34328), (8582, 29768), (9808, 26047), (14884, 17164)]