2018017150

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{439}}^1\times {\mathrm{1033}}^1$

素因数の和:1573

約数の個数: 48

約数和(自身を含む): 3808015200

約数和(自身を除く): 1789998050

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 439, 445, 878, 890, 1033, 2066, 2195, 2225, 4390, 4450, 5165, 10330, 10975, 21950, 25825, 39071, 51650, 78142, 91937, 183874, 195355, 390710, 453487, 459685, 906974, 919370, 976775, 1953550, 2267435, 2298425, 4534870, 4596850, 11337175, 22674350, 40360343, 80720686, 201801715, 403603430, 1009008575, 2018017150]

約数ペア:

[(1, 2018017150), (2, 1009008575), (5, 403603430), (10, 201801715), (25, 80720686), (50, 40360343), (89, 22674350), (178, 11337175), (439, 4596850), (445, 4534870), (878, 2298425), (890, 2267435), (1033, 1953550), (2066, 976775), (2195, 919370), (2225, 906974), (4390, 459685), (4450, 453487), (5165, 390710), (10330, 195355), (10975, 183874), (21950, 91937), (25825, 78142), (39071, 51650)]