213525500

素因数分解:

$2^2\times 5^3\times {\mathrm{509}}^1\times {\mathrm{839}}^1$

素因数の和:1367

約数の個数: 48

約数和(自身を含む): 467812800

約数和(自身を除く): 254287300

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 509, 839, 1018, 1678, 2036, 2545, 3356, 4195, 5090, 8390, 10180, 12725, 16780, 20975, 25450, 41950, 50900, 63625, 83900, 104875, 127250, 209750, 254500, 419500, 427051, 854102, 1708204, 2135255, 4270510, 8541020, 10676275, 21352550, 42705100, 53381375, 106762750, 213525500]

約数ペア:

[(1, 213525500), (2, 106762750), (4, 53381375), (5, 42705100), (10, 21352550), (20, 10676275), (25, 8541020), (50, 4270510), (100, 2135255), (125, 1708204), (250, 854102), (500, 427051), (509, 419500), (839, 254500), (1018, 209750), (1678, 127250), (2036, 104875), (2545, 83900), (3356, 63625), (4195, 50900), (5090, 41950), (8390, 25450), (10180, 20975), (12725, 16780)]