197996900

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{409}}^1$

素因数の和:573

約数の個数: 72

約数和(自身を含む): 444138240

約数和(自身を除く): 246141340

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 103, 188, 206, 235, 409, 412, 470, 515, 818, 940, 1030, 1175, 1636, 2045, 2060, 2350, 2575, 4090, 4700, 4841, 5150, 8180, 9682, 10225, 10300, 19223, 19364, 20450, 24205, 38446, 40900, 42127, 48410, 76892, 84254, 96115, 96820, 121025, 168508, 192230, 210635, 242050, 384460, 421270, 480575, 484100, 842540, 961150, 1053175, 1922300, 1979969, 2106350, 3959938, 4212700, 7919876, 9899845, 19799690, 39599380, 49499225, 98998450, 197996900]

約数ペア:

[(1, 197996900), (2, 98998450), (4, 49499225), (5, 39599380), (10, 19799690), (20, 9899845), (25, 7919876), (47, 4212700), (50, 3959938), (94, 2106350), (100, 1979969), (103, 1922300), (188, 1053175), (206, 961150), (235, 842540), (409, 484100), (412, 480575), (470, 421270), (515, 384460), (818, 242050), (940, 210635), (1030, 192230), (1175, 168508), (1636, 121025), (2045, 96820), (2060, 96115), (2350, 84254), (2575, 76892), (4090, 48410), (4700, 42127), (4841, 40900), (5150, 38446), (8180, 24205), (9682, 20450), (10225, 19364), (10300, 19223)]