255059620

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{1453}}^1$

素因数の和:1660

約数の個数: 48

約数和(自身を含む): 548146368

約数和(自身を除く): 293086748

約数列:

[1, 2, 4, 5, 10, 20, 67, 131, 134, 262, 268, 335, 524, 655, 670, 1310, 1340, 1453, 2620, 2906, 5812, 7265, 8777, 14530, 17554, 29060, 35108, 43885, 87770, 97351, 175540, 190343, 194702, 380686, 389404, 486755, 761372, 951715, 973510, 1903430, 1947020, 3806860, 12752981, 25505962, 51011924, 63764905, 127529810, 255059620]

約数ペア:

[(1, 255059620), (2, 127529810), (4, 63764905), (5, 51011924), (10, 25505962), (20, 12752981), (67, 3806860), (131, 1947020), (134, 1903430), (262, 973510), (268, 951715), (335, 761372), (524, 486755), (655, 389404), (670, 380686), (1310, 194702), (1340, 190343), (1453, 175540), (2620, 97351), (2906, 87770), (5812, 43885), (7265, 35108), (8777, 29060), (14530, 17554)]