28543900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{337}}^1$

素因数の和:380

約数の個数: 108

約数和(自身を含む): 78040144

約数和(自身を除く): 49496244

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 121, 140, 154, 175, 220, 242, 275, 308, 337, 350, 385, 484, 550, 605, 674, 700, 770, 847, 1100, 1210, 1348, 1540, 1685, 1694, 1925, 2359, 2420, 3025, 3370, 3388, 3707, 3850, 4235, 4718, 6050, 6740, 7414, 7700, 8425, 8470, 9436, 11795, 12100, 14828, 16850, 16940, 18535, 21175, 23590, 25949, 33700, 37070, 40777, 42350, 47180, 51898, 58975, 74140, 81554, 84700, 92675, 103796, 117950, 129745, 163108, 185350, 203885, 235900, 259490, 285439, 370700, 407770, 518980, 570878, 648725, 815540, 1019425, 1141756, 1297450, 1427195, 2038850, 2594900, 2854390, 4077700, 5708780, 7135975, 14271950, 28543900]

約数ペア:

[(1, 28543900), (2, 14271950), (4, 7135975), (5, 5708780), (7, 4077700), (10, 2854390), (11, 2594900), (14, 2038850), (20, 1427195), (22, 1297450), (25, 1141756), (28, 1019425), (35, 815540), (44, 648725), (50, 570878), (55, 518980), (70, 407770), (77, 370700), (100, 285439), (110, 259490), (121, 235900), (140, 203885), (154, 185350), (175, 163108), (220, 129745), (242, 117950), (275, 103796), (308, 92675), (337, 84700), (350, 81554), (385, 74140), (484, 58975), (550, 51898), (605, 47180), (674, 42350), (700, 40777), (770, 37070), (847, 33700), (1100, 25949), (1210, 23590), (1348, 21175), (1540, 18535), (1685, 16940), (1694, 16850), (1925, 14828), (2359, 12100), (2420, 11795), (3025, 9436), (3370, 8470), (3388, 8425), (3707, 7700), (3850, 7414), (4235, 6740), (4718, 6050)]