1406000

素因数分解:

$2^4\times 5^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:79

約数の個数: 80

約数和(自身を含む): 3675360

約数和(自身を除く): 2269360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 37, 38, 40, 50, 74, 76, 80, 95, 100, 125, 148, 152, 185, 190, 200, 250, 296, 304, 370, 380, 400, 475, 500, 592, 703, 740, 760, 925, 950, 1000, 1406, 1480, 1520, 1850, 1900, 2000, 2375, 2812, 2960, 3515, 3700, 3800, 4625, 4750, 5624, 7030, 7400, 7600, 9250, 9500, 11248, 14060, 14800, 17575, 18500, 19000, 28120, 35150, 37000, 38000, 56240, 70300, 74000, 87875, 140600, 175750, 281200, 351500, 703000, 1406000]

約数ペア:

[(1, 1406000), (2, 703000), (4, 351500), (5, 281200), (8, 175750), (10, 140600), (16, 87875), (19, 74000), (20, 70300), (25, 56240), (37, 38000), (38, 37000), (40, 35150), (50, 28120), (74, 19000), (76, 18500), (80, 17575), (95, 14800), (100, 14060), (125, 11248), (148, 9500), (152, 9250), (185, 7600), (190, 7400), (200, 7030), (250, 5624), (296, 4750), (304, 4625), (370, 3800), (380, 3700), (400, 3515), (475, 2960), (500, 2812), (592, 2375), (703, 2000), (740, 1900), (760, 1850), (925, 1520), (950, 1480), (1000, 1406)]