1097471950

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{2549}}^1$

素因数の和:2749

約数の個数: 48

約数和(自身を含む): 2086920000

約数和(自身を除く): 989448050

約数列:

[1, 2, 5, 10, 25, 50, 79, 109, 158, 218, 395, 545, 790, 1090, 1975, 2549, 2725, 3950, 5098, 5450, 8611, 12745, 17222, 25490, 43055, 63725, 86110, 127450, 201371, 215275, 277841, 402742, 430550, 555682, 1006855, 1389205, 2013710, 2778410, 5034275, 6946025, 10068550, 13892050, 21949439, 43898878, 109747195, 219494390, 548735975, 1097471950]

約数ペア:

[(1, 1097471950), (2, 548735975), (5, 219494390), (10, 109747195), (25, 43898878), (50, 21949439), (79, 13892050), (109, 10068550), (158, 6946025), (218, 5034275), (395, 2778410), (545, 2013710), (790, 1389205), (1090, 1006855), (1975, 555682), (2549, 430550), (2725, 402742), (3950, 277841), (5098, 215275), (5450, 201371), (8611, 127450), (12745, 86110), (17222, 63725), (25490, 43055)]