858900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{409}}^1$

素因数の和:433

約数の個数: 72

約数和(自身を含む): 2847040

約数和(自身を除く): 1988140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 409, 420, 525, 700, 818, 1050, 1227, 1636, 2045, 2100, 2454, 2863, 4090, 4908, 5726, 6135, 8180, 8589, 10225, 11452, 12270, 14315, 17178, 20450, 24540, 28630, 30675, 34356, 40900, 42945, 57260, 61350, 71575, 85890, 122700, 143150, 171780, 214725, 286300, 429450, 858900]

約数ペア:

[(1, 858900), (2, 429450), (3, 286300), (4, 214725), (5, 171780), (6, 143150), (7, 122700), (10, 85890), (12, 71575), (14, 61350), (15, 57260), (20, 42945), (21, 40900), (25, 34356), (28, 30675), (30, 28630), (35, 24540), (42, 20450), (50, 17178), (60, 14315), (70, 12270), (75, 11452), (84, 10225), (100, 8589), (105, 8180), (140, 6135), (150, 5726), (175, 4908), (210, 4090), (300, 2863), (350, 2454), (409, 2100), (420, 2045), (525, 1636), (700, 1227), (818, 1050)]