4305500

素因数分解:

$2^2\times 5^3\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:207

約数の個数: 48

約数和(自身を含む): 9609600

約数和(自身を除く): 5304100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 109, 125, 158, 218, 250, 316, 395, 436, 500, 545, 790, 1090, 1580, 1975, 2180, 2725, 3950, 5450, 7900, 8611, 9875, 10900, 13625, 17222, 19750, 27250, 34444, 39500, 43055, 54500, 86110, 172220, 215275, 430550, 861100, 1076375, 2152750, 4305500]

約数ペア:

[(1, 4305500), (2, 2152750), (4, 1076375), (5, 861100), (10, 430550), (20, 215275), (25, 172220), (50, 86110), (79, 54500), (100, 43055), (109, 39500), (125, 34444), (158, 27250), (218, 19750), (250, 17222), (316, 13625), (395, 10900), (436, 9875), (500, 8611), (545, 7900), (790, 5450), (1090, 3950), (1580, 2725), (1975, 2180)]