256947260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29399}}^1$

素因数の和:29450

約数の個数: 48

約数和(自身を含む): 592704000

約数和(自身を除く): 335756740

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 8740, 29399, 58798, 117596, 146995, 293990, 558581, 587980, 676177, 1117162, 1352354, 2234324, 2704708, 2792905, 3380885, 5585810, 6761770, 11171620, 12847363, 13523540, 25694726, 51389452, 64236815, 128473630, 256947260]

約数ペア:

[(1, 256947260), (2, 128473630), (4, 64236815), (5, 51389452), (10, 25694726), (19, 13523540), (20, 12847363), (23, 11171620), (38, 6761770), (46, 5585810), (76, 3380885), (92, 2792905), (95, 2704708), (115, 2234324), (190, 1352354), (230, 1117162), (380, 676177), (437, 587980), (460, 558581), (874, 293990), (1748, 146995), (2185, 117596), (4370, 58798), (8740, 29399)]