1978500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{1319}}^1$

素因数の和:1341

約数の個数: 48

約数和(自身を含む): 5765760

約数和(自身を除く): 3787260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 750, 1319, 1500, 2638, 3957, 5276, 6595, 7914, 13190, 15828, 19785, 26380, 32975, 39570, 65950, 79140, 98925, 131900, 164875, 197850, 329750, 395700, 494625, 659500, 989250, 1978500]

約数ペア:

[(1, 1978500), (2, 989250), (3, 659500), (4, 494625), (5, 395700), (6, 329750), (10, 197850), (12, 164875), (15, 131900), (20, 98925), (25, 79140), (30, 65950), (50, 39570), (60, 32975), (75, 26380), (100, 19785), (125, 15828), (150, 13190), (250, 7914), (300, 6595), (375, 5276), (500, 3957), (750, 2638), (1319, 1500)]