2004100

素因数分解:

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

素因数の和:437

約数の個数: 54

約数和(自身を含む): 5071290

約数和(自身を除く): 3067190

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 409, 490, 700, 818, 980, 1225, 1636, 2045, 2450, 2863, 4090, 4900, 5726, 8180, 10225, 11452, 14315, 20041, 20450, 28630, 40082, 40900, 57260, 71575, 80164, 100205, 143150, 200410, 286300, 400820, 501025, 1002050, 2004100]

約数ペア:

[(1, 2004100), (2, 1002050), (4, 501025), (5, 400820), (7, 286300), (10, 200410), (14, 143150), (20, 100205), (25, 80164), (28, 71575), (35, 57260), (49, 40900), (50, 40082), (70, 28630), (98, 20450), (100, 20041), (140, 14315), (175, 11452), (196, 10225), (245, 8180), (350, 5726), (409, 4900), (490, 4090), (700, 2863), (818, 2450), (980, 2045), (1225, 1636)]