28748940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1013}}^1$

素因数の和:1079

約数の個数: 96

約数和(自身を含む): 89945856

約数和(自身を除く): 61196916

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 43, 44, 55, 60, 66, 86, 110, 129, 132, 165, 172, 215, 220, 258, 330, 430, 473, 516, 645, 660, 860, 946, 1013, 1290, 1419, 1892, 2026, 2365, 2580, 2838, 3039, 4052, 4730, 5065, 5676, 6078, 7095, 9460, 10130, 11143, 12156, 14190, 15195, 20260, 22286, 28380, 30390, 33429, 43559, 44572, 55715, 60780, 66858, 87118, 111430, 130677, 133716, 167145, 174236, 217795, 222860, 261354, 334290, 435590, 479149, 522708, 653385, 668580, 871180, 958298, 1306770, 1437447, 1916596, 2395745, 2613540, 2874894, 4791490, 5749788, 7187235, 9582980, 14374470, 28748940]

約数ペア:

[(1, 28748940), (2, 14374470), (3, 9582980), (4, 7187235), (5, 5749788), (6, 4791490), (10, 2874894), (11, 2613540), (12, 2395745), (15, 1916596), (20, 1437447), (22, 1306770), (30, 958298), (33, 871180), (43, 668580), (44, 653385), (55, 522708), (60, 479149), (66, 435590), (86, 334290), (110, 261354), (129, 222860), (132, 217795), (165, 174236), (172, 167145), (215, 133716), (220, 130677), (258, 111430), (330, 87118), (430, 66858), (473, 60780), (516, 55715), (645, 44572), (660, 43559), (860, 33429), (946, 30390), (1013, 28380), (1290, 22286), (1419, 20260), (1892, 15195), (2026, 14190), (2365, 12156), (2580, 11143), (2838, 10130), (3039, 9460), (4052, 7095), (4730, 6078), (5065, 5676)]