28285500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:304

約数の個数: 96

約数和(自身を含む): 83603520

約数和(自身を除く): 55318020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 109, 125, 150, 173, 218, 250, 300, 327, 346, 375, 436, 500, 519, 545, 654, 692, 750, 865, 1038, 1090, 1308, 1500, 1635, 1730, 2076, 2180, 2595, 2725, 3270, 3460, 4325, 5190, 5450, 6540, 8175, 8650, 10380, 10900, 12975, 13625, 16350, 17300, 18857, 21625, 25950, 27250, 32700, 37714, 40875, 43250, 51900, 54500, 56571, 64875, 75428, 81750, 86500, 94285, 113142, 129750, 163500, 188570, 226284, 259500, 282855, 377140, 471425, 565710, 942850, 1131420, 1414275, 1885700, 2357125, 2828550, 4714250, 5657100, 7071375, 9428500, 14142750, 28285500]

約数ペア:

[(1, 28285500), (2, 14142750), (3, 9428500), (4, 7071375), (5, 5657100), (6, 4714250), (10, 2828550), (12, 2357125), (15, 1885700), (20, 1414275), (25, 1131420), (30, 942850), (50, 565710), (60, 471425), (75, 377140), (100, 282855), (109, 259500), (125, 226284), (150, 188570), (173, 163500), (218, 129750), (250, 113142), (300, 94285), (327, 86500), (346, 81750), (375, 75428), (436, 64875), (500, 56571), (519, 54500), (545, 51900), (654, 43250), (692, 40875), (750, 37714), (865, 32700), (1038, 27250), (1090, 25950), (1308, 21625), (1500, 18857), (1635, 17300), (1730, 16350), (2076, 13625), (2180, 12975), (2595, 10900), (2725, 10380), (3270, 8650), (3460, 8175), (4325, 6540), (5190, 5450)]