674423620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{136523}}^1$

素因数の和:136564

約数の個数: 48

約数和(自身を含む): 1605522240

約数和(自身を除く): 931098620

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 136523, 273046, 546092, 682615, 1365230, 1774799, 2593937, 2730460, 3549598, 5187874, 7099196, 8873995, 10375748, 12969685, 17747990, 25939370, 33721181, 35495980, 51878740, 67442362, 134884724, 168605905, 337211810, 674423620]

約数ペア:

[(1, 674423620), (2, 337211810), (4, 168605905), (5, 134884724), (10, 67442362), (13, 51878740), (19, 35495980), (20, 33721181), (26, 25939370), (38, 17747990), (52, 12969685), (65, 10375748), (76, 8873995), (95, 7099196), (130, 5187874), (190, 3549598), (247, 2730460), (260, 2593937), (380, 1774799), (494, 1365230), (988, 682615), (1235, 546092), (2470, 273046), (4940, 136523)]