49997020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{467}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 108265248

約数和(自身を除く): 58268228

約数列:

[1, 2, 4, 5, 10, 20, 53, 101, 106, 202, 212, 265, 404, 467, 505, 530, 934, 1010, 1060, 1868, 2020, 2335, 4670, 5353, 9340, 10706, 21412, 24751, 26765, 47167, 49502, 53530, 94334, 99004, 107060, 123755, 188668, 235835, 247510, 471670, 495020, 943340, 2499851, 4999702, 9999404, 12499255, 24998510, 49997020]

約数ペア:

[(1, 49997020), (2, 24998510), (4, 12499255), (5, 9999404), (10, 4999702), (20, 2499851), (53, 943340), (101, 495020), (106, 471670), (202, 247510), (212, 235835), (265, 188668), (404, 123755), (467, 107060), (505, 99004), (530, 94334), (934, 53530), (1010, 49502), (1060, 47167), (1868, 26765), (2020, 24751), (2335, 21412), (4670, 10706), (5353, 9340)]