71915000

素因数分解:

$2^3\times 5^4\times {\mathrm{19}}^1\times {\mathrm{757}}^1$

素因数の和:802

約数の個数: 80

約数和(自身を含む): 177599400

約数和(自身を除く): 105684400

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 380, 475, 500, 625, 757, 760, 950, 1000, 1250, 1514, 1900, 2375, 2500, 3028, 3785, 3800, 4750, 5000, 6056, 7570, 9500, 11875, 14383, 15140, 18925, 19000, 23750, 28766, 30280, 37850, 47500, 57532, 71915, 75700, 94625, 95000, 115064, 143830, 151400, 189250, 287660, 359575, 378500, 473125, 575320, 719150, 757000, 946250, 1438300, 1797875, 1892500, 2876600, 3595750, 3785000, 7191500, 8989375, 14383000, 17978750, 35957500, 71915000]

約数ペア:

[(1, 71915000), (2, 35957500), (4, 17978750), (5, 14383000), (8, 8989375), (10, 7191500), (19, 3785000), (20, 3595750), (25, 2876600), (38, 1892500), (40, 1797875), (50, 1438300), (76, 946250), (95, 757000), (100, 719150), (125, 575320), (152, 473125), (190, 378500), (200, 359575), (250, 287660), (380, 189250), (475, 151400), (500, 143830), (625, 115064), (757, 95000), (760, 94625), (950, 75700), (1000, 71915), (1250, 57532), (1514, 47500), (1900, 37850), (2375, 30280), (2500, 28766), (3028, 23750), (3785, 19000), (3800, 18925), (4750, 15140), (5000, 14383), (6056, 11875), (7570, 9500)]