19977000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{6659}}^1$

素因数の和:6683

約数の個数: 64

約数和(自身を含む): 62337600

約数和(自身を除く): 42360600

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, 500, 600, 750, 1000, 1500, 3000, 6659, 13318, 19977, 26636, 33295, 39954, 53272, 66590, 79908, 99885, 133180, 159816, 166475, 199770, 266360, 332950, 399540, 499425, 665900, 799080, 832375, 998850, 1331800, 1664750, 1997700, 2497125, 3329500, 3995400, 4994250, 6659000, 9988500, 19977000]

約数ペア:

[(1, 19977000), (2, 9988500), (3, 6659000), (4, 4994250), (5, 3995400), (6, 3329500), (8, 2497125), (10, 1997700), (12, 1664750), (15, 1331800), (20, 998850), (24, 832375), (25, 799080), (30, 665900), (40, 499425), (50, 399540), (60, 332950), (75, 266360), (100, 199770), (120, 166475), (125, 159816), (150, 133180), (200, 99885), (250, 79908), (300, 66590), (375, 53272), (500, 39954), (600, 33295), (750, 26636), (1000, 19977), (1500, 13318), (3000, 6659)]