28623750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{449}}^1$

素因数の和:491

約数の個数: 80

約数和(自身を含む): 75913200

約数和(自身を除く): 47289450

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 50, 51, 75, 85, 102, 125, 150, 170, 250, 255, 375, 425, 449, 510, 625, 750, 850, 898, 1250, 1275, 1347, 1875, 2125, 2245, 2550, 2694, 3750, 4250, 4490, 6375, 6735, 7633, 10625, 11225, 12750, 13470, 15266, 21250, 22450, 22899, 31875, 33675, 38165, 45798, 56125, 63750, 67350, 76330, 112250, 114495, 168375, 190825, 228990, 280625, 336750, 381650, 561250, 572475, 841875, 954125, 1144950, 1683750, 1908250, 2862375, 4770625, 5724750, 9541250, 14311875, 28623750]

約数ペア:

[(1, 28623750), (2, 14311875), (3, 9541250), (5, 5724750), (6, 4770625), (10, 2862375), (15, 1908250), (17, 1683750), (25, 1144950), (30, 954125), (34, 841875), (50, 572475), (51, 561250), (75, 381650), (85, 336750), (102, 280625), (125, 228990), (150, 190825), (170, 168375), (250, 114495), (255, 112250), (375, 76330), (425, 67350), (449, 63750), (510, 56125), (625, 45798), (750, 38165), (850, 33675), (898, 31875), (1250, 22899), (1275, 22450), (1347, 21250), (1875, 15266), (2125, 13470), (2245, 12750), (2550, 11225), (2694, 10625), (3750, 7633), (4250, 6735), (4490, 6375)]