2021475400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{206273}}^1$

素因数の和:206303

約数の個数: 72

約数和(自身を含む): 5467292370

約数和(自身を除く): 3445816970

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1960, 2450, 4900, 9800, 206273, 412546, 825092, 1031365, 1443911, 1650184, 2062730, 2887822, 4125460, 5156825, 5775644, 7219555, 8250920, 10107377, 10313650, 11551288, 14439110, 20214754, 20627300, 28878220, 36097775, 40429508, 41254600, 50536885, 57756440, 72195550, 80859016, 101073770, 144391100, 202147540, 252684425, 288782200, 404295080, 505368850, 1010737700, 2021475400]

約数ペア:

[(1, 2021475400), (2, 1010737700), (4, 505368850), (5, 404295080), (7, 288782200), (8, 252684425), (10, 202147540), (14, 144391100), (20, 101073770), (25, 80859016), (28, 72195550), (35, 57756440), (40, 50536885), (49, 41254600), (50, 40429508), (56, 36097775), (70, 28878220), (98, 20627300), (100, 20214754), (140, 14439110), (175, 11551288), (196, 10313650), (200, 10107377), (245, 8250920), (280, 7219555), (350, 5775644), (392, 5156825), (490, 4125460), (700, 2887822), (980, 2062730), (1225, 1650184), (1400, 1443911), (1960, 1031365), (2450, 825092), (4900, 412546), (9800, 206273)]