28206900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:391

約数の個数: 144

約数和(自身を含む): 93882880

約数和(自身を除く): 65675980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 31, 36, 45, 50, 54, 60, 62, 75, 90, 93, 100, 108, 124, 135, 150, 155, 180, 186, 225, 270, 279, 300, 310, 337, 372, 450, 465, 540, 558, 620, 674, 675, 775, 837, 900, 930, 1011, 1116, 1348, 1350, 1395, 1550, 1674, 1685, 1860, 2022, 2325, 2700, 2790, 3033, 3100, 3348, 3370, 4044, 4185, 4650, 5055, 5580, 6066, 6740, 6975, 8370, 8425, 9099, 9300, 10110, 10447, 12132, 13950, 15165, 16740, 16850, 18198, 20220, 20894, 20925, 25275, 27900, 30330, 31341, 33700, 36396, 41788, 41850, 45495, 50550, 52235, 60660, 62682, 75825, 83700, 90990, 94023, 101100, 104470, 125364, 151650, 156705, 181980, 188046, 208940, 227475, 261175, 282069, 303300, 313410, 376092, 454950, 470115, 522350, 564138, 626820, 783525, 909900, 940230, 1044700, 1128276, 1410345, 1567050, 1880460, 2350575, 2820690, 3134100, 4701150, 5641380, 7051725, 9402300, 14103450, 28206900]

約数ペア:

[(1, 28206900), (2, 14103450), (3, 9402300), (4, 7051725), (5, 5641380), (6, 4701150), (9, 3134100), (10, 2820690), (12, 2350575), (15, 1880460), (18, 1567050), (20, 1410345), (25, 1128276), (27, 1044700), (30, 940230), (31, 909900), (36, 783525), (45, 626820), (50, 564138), (54, 522350), (60, 470115), (62, 454950), (75, 376092), (90, 313410), (93, 303300), (100, 282069), (108, 261175), (124, 227475), (135, 208940), (150, 188046), (155, 181980), (180, 156705), (186, 151650), (225, 125364), (270, 104470), (279, 101100), (300, 94023), (310, 90990), (337, 83700), (372, 75825), (450, 62682), (465, 60660), (540, 52235), (558, 50550), (620, 45495), (674, 41850), (675, 41788), (775, 36396), (837, 33700), (900, 31341), (930, 30330), (1011, 27900), (1116, 25275), (1348, 20925), (1350, 20894), (1395, 20220), (1550, 18198), (1674, 16850), (1685, 16740), (1860, 15165), (2022, 13950), (2325, 12132), (2700, 10447), (2790, 10110), (3033, 9300), (3100, 9099), (3348, 8425), (3370, 8370), (4044, 6975), (4185, 6740), (4650, 6066), (5055, 5580)]