12651800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{1291}}^1$

素因数の和:1321

約数の個数: 72

約数和(自身を含む): 34244460

約数和(自身を除く): 21592660

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, 1291, 1400, 1960, 2450, 2582, 4900, 5164, 6455, 9037, 9800, 10328, 12910, 18074, 25820, 32275, 36148, 45185, 51640, 63259, 64550, 72296, 90370, 126518, 129100, 180740, 225925, 253036, 258200, 316295, 361480, 451850, 506072, 632590, 903700, 1265180, 1581475, 1807400, 2530360, 3162950, 6325900, 12651800]

約数ペア:

[(1, 12651800), (2, 6325900), (4, 3162950), (5, 2530360), (7, 1807400), (8, 1581475), (10, 1265180), (14, 903700), (20, 632590), (25, 506072), (28, 451850), (35, 361480), (40, 316295), (49, 258200), (50, 253036), (56, 225925), (70, 180740), (98, 129100), (100, 126518), (140, 90370), (175, 72296), (196, 64550), (200, 63259), (245, 51640), (280, 45185), (350, 36148), (392, 32275), (490, 25820), (700, 18074), (980, 12910), (1225, 10328), (1291, 9800), (1400, 9037), (1960, 6455), (2450, 5164), (2582, 4900)]