1389000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{463}}^1$

素因数の和:487

約数の個数: 64

約数和(自身を含む): 4343040

約数和(自身を除く): 2954040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 463, 500, 600, 750, 926, 1000, 1389, 1500, 1852, 2315, 2778, 3000, 3704, 4630, 5556, 6945, 9260, 11112, 11575, 13890, 18520, 23150, 27780, 34725, 46300, 55560, 57875, 69450, 92600, 115750, 138900, 173625, 231500, 277800, 347250, 463000, 694500, 1389000]

約数ペア:

[(1, 1389000), (2, 694500), (3, 463000), (4, 347250), (5, 277800), (6, 231500), (8, 173625), (10, 138900), (12, 115750), (15, 92600), (20, 69450), (24, 57875), (25, 55560), (30, 46300), (40, 34725), (50, 27780), (60, 23150), (75, 18520), (100, 13890), (120, 11575), (125, 11112), (150, 9260), (200, 6945), (250, 5556), (300, 4630), (375, 3704), (463, 3000), (500, 2778), (600, 2315), (750, 1852), (926, 1500), (1000, 1389)]