90849320

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:498

約数の個数: 64

約数和(自身を含む): 210038400

約数和(自身を除く): 119189080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 109, 134, 218, 268, 311, 335, 436, 536, 545, 622, 670, 872, 1090, 1244, 1340, 1555, 2180, 2488, 2680, 3110, 4360, 6220, 7303, 12440, 14606, 20837, 29212, 33899, 36515, 41674, 58424, 67798, 73030, 83348, 104185, 135596, 146060, 166696, 169495, 208370, 271192, 292120, 338990, 416740, 677980, 833480, 1355960, 2271233, 4542466, 9084932, 11356165, 18169864, 22712330, 45424660, 90849320]

約数ペア:

[(1, 90849320), (2, 45424660), (4, 22712330), (5, 18169864), (8, 11356165), (10, 9084932), (20, 4542466), (40, 2271233), (67, 1355960), (109, 833480), (134, 677980), (218, 416740), (268, 338990), (311, 292120), (335, 271192), (436, 208370), (536, 169495), (545, 166696), (622, 146060), (670, 135596), (872, 104185), (1090, 83348), (1244, 73030), (1340, 67798), (1555, 58424), (2180, 41674), (2488, 36515), (2680, 33899), (3110, 29212), (4360, 20837), (6220, 14606), (7303, 12440)]