2062900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{421}}^1$

素因数の和:449

約数の個数: 54

約数和(自身を含む): 5219718

約数和(自身を除く): 3156818

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 421, 490, 700, 842, 980, 1225, 1684, 2105, 2450, 2947, 4210, 4900, 5894, 8420, 10525, 11788, 14735, 20629, 21050, 29470, 41258, 42100, 58940, 73675, 82516, 103145, 147350, 206290, 294700, 412580, 515725, 1031450, 2062900]

約数ペア:

[(1, 2062900), (2, 1031450), (4, 515725), (5, 412580), (7, 294700), (10, 206290), (14, 147350), (20, 103145), (25, 82516), (28, 73675), (35, 58940), (49, 42100), (50, 41258), (70, 29470), (98, 21050), (100, 20629), (140, 14735), (175, 11788), (196, 10525), (245, 8420), (350, 5894), (421, 4900), (490, 4210), (700, 2947), (842, 2450), (980, 2105), (1225, 1684)]