2019170780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{461}}^1\times {\mathrm{463}}^1$

素因数の和:987

約数の個数: 96

約数和(自身を含む): 4753824768

約数和(自身を除く): 2734653988

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 461, 463, 473, 860, 922, 926, 946, 1844, 1852, 1892, 2305, 2315, 2365, 4610, 4630, 4730, 5071, 5093, 9220, 9260, 9460, 10142, 10186, 19823, 19909, 20284, 20372, 25355, 25465, 39646, 39818, 50710, 50930, 79292, 79636, 99115, 99545, 101420, 101860, 198230, 199090, 213443, 218053, 218999, 396460, 398180, 426886, 436106, 437998, 853772, 872212, 875996, 1067215, 1090265, 1094995, 2134430, 2180530, 2189990, 2347873, 4268860, 4361060, 4379980, 4695746, 9178049, 9391492, 11739365, 18356098, 23478730, 36712196, 45890245, 46957460, 91780490, 100958539, 183560980, 201917078, 403834156, 504792695, 1009585390, 2019170780]

約数ペア:

[(1, 2019170780), (2, 1009585390), (4, 504792695), (5, 403834156), (10, 201917078), (11, 183560980), (20, 100958539), (22, 91780490), (43, 46957460), (44, 45890245), (55, 36712196), (86, 23478730), (110, 18356098), (172, 11739365), (215, 9391492), (220, 9178049), (430, 4695746), (461, 4379980), (463, 4361060), (473, 4268860), (860, 2347873), (922, 2189990), (926, 2180530), (946, 2134430), (1844, 1094995), (1852, 1090265), (1892, 1067215), (2305, 875996), (2315, 872212), (2365, 853772), (4610, 437998), (4630, 436106), (4730, 426886), (5071, 398180), (5093, 396460), (9220, 218999), (9260, 218053), (9460, 213443), (10142, 199090), (10186, 198230), (19823, 101860), (19909, 101420), (20284, 99545), (20372, 99115), (25355, 79636), (25465, 79292), (39646, 50930), (39818, 50710)]