20211057400

素因数分解:

$2^3\times 5^2\times {\mathrm{73}}^1\times {\mathrm{197}}^1\times {\mathrm{7027}}^1$

素因数の和:7313

約数の個数: 96

約数和(自身を含む): 47883029040

約数和(自身を除く): 27671971640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 73, 100, 146, 197, 200, 292, 365, 394, 584, 730, 788, 985, 1460, 1576, 1825, 1970, 2920, 3650, 3940, 4925, 7027, 7300, 7880, 9850, 14054, 14381, 14600, 19700, 28108, 28762, 35135, 39400, 56216, 57524, 70270, 71905, 115048, 140540, 143810, 175675, 281080, 287620, 351350, 359525, 512971, 575240, 702700, 719050, 1025942, 1384319, 1405400, 1438100, 2051884, 2564855, 2768638, 2876200, 4103768, 5129710, 5537276, 6921595, 10259420, 11074552, 12824275, 13843190, 20518840, 25648550, 27686380, 34607975, 51297100, 55372760, 69215950, 101055287, 102594200, 138431900, 202110574, 276863800, 404221148, 505276435, 808442296, 1010552870, 2021105740, 2526382175, 4042211480, 5052764350, 10105528700, 20211057400]

約数ペア:

[(1, 20211057400), (2, 10105528700), (4, 5052764350), (5, 4042211480), (8, 2526382175), (10, 2021105740), (20, 1010552870), (25, 808442296), (40, 505276435), (50, 404221148), (73, 276863800), (100, 202110574), (146, 138431900), (197, 102594200), (200, 101055287), (292, 69215950), (365, 55372760), (394, 51297100), (584, 34607975), (730, 27686380), (788, 25648550), (985, 20518840), (1460, 13843190), (1576, 12824275), (1825, 11074552), (1970, 10259420), (2920, 6921595), (3650, 5537276), (3940, 5129710), (4925, 4103768), (7027, 2876200), (7300, 2768638), (7880, 2564855), (9850, 2051884), (14054, 1438100), (14381, 1405400), (14600, 1384319), (19700, 1025942), (28108, 719050), (28762, 702700), (35135, 575240), (39400, 512971), (56216, 359525), (57524, 351350), (70270, 287620), (71905, 281080), (115048, 175675), (140540, 143810)]