2185000

素因数分解:

$2^3\times 5^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:68

約数の個数: 80

約数和(自身を含む): 5623200

約数和(自身を除く): 3438200

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 25, 38, 40, 46, 50, 76, 92, 95, 100, 115, 125, 152, 184, 190, 200, 230, 250, 380, 437, 460, 475, 500, 575, 625, 760, 874, 920, 950, 1000, 1150, 1250, 1748, 1900, 2185, 2300, 2375, 2500, 2875, 3496, 3800, 4370, 4600, 4750, 5000, 5750, 8740, 9500, 10925, 11500, 11875, 14375, 17480, 19000, 21850, 23000, 23750, 28750, 43700, 47500, 54625, 57500, 87400, 95000, 109250, 115000, 218500, 273125, 437000, 546250, 1092500, 2185000]

約数ペア:

[(1, 2185000), (2, 1092500), (4, 546250), (5, 437000), (8, 273125), (10, 218500), (19, 115000), (20, 109250), (23, 95000), (25, 87400), (38, 57500), (40, 54625), (46, 47500), (50, 43700), (76, 28750), (92, 23750), (95, 23000), (100, 21850), (115, 19000), (125, 17480), (152, 14375), (184, 11875), (190, 11500), (200, 10925), (230, 9500), (250, 8740), (380, 5750), (437, 5000), (460, 4750), (475, 4600), (500, 4370), (575, 3800), (625, 3496), (760, 2875), (874, 2500), (920, 2375), (950, 2300), (1000, 2185), (1150, 1900), (1250, 1748)]