280500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1$

素因数の和:50

約数の個数: 96

約数和(自身を含む): 943488

約数和(自身を除く): 662988

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 20, 22, 25, 30, 33, 34, 44, 50, 51, 55, 60, 66, 68, 75, 85, 100, 102, 110, 125, 132, 150, 165, 170, 187, 204, 220, 250, 255, 275, 300, 330, 340, 374, 375, 425, 500, 510, 550, 561, 660, 748, 750, 825, 850, 935, 1020, 1100, 1122, 1275, 1375, 1500, 1650, 1700, 1870, 2125, 2244, 2550, 2750, 2805, 3300, 3740, 4125, 4250, 4675, 5100, 5500, 5610, 6375, 8250, 8500, 9350, 11220, 12750, 14025, 16500, 18700, 23375, 25500, 28050, 46750, 56100, 70125, 93500, 140250, 280500]

約数ペア:

[(1, 280500), (2, 140250), (3, 93500), (4, 70125), (5, 56100), (6, 46750), (10, 28050), (11, 25500), (12, 23375), (15, 18700), (17, 16500), (20, 14025), (22, 12750), (25, 11220), (30, 9350), (33, 8500), (34, 8250), (44, 6375), (50, 5610), (51, 5500), (55, 5100), (60, 4675), (66, 4250), (68, 4125), (75, 3740), (85, 3300), (100, 2805), (102, 2750), (110, 2550), (125, 2244), (132, 2125), (150, 1870), (165, 1700), (170, 1650), (187, 1500), (204, 1375), (220, 1275), (250, 1122), (255, 1100), (275, 1020), (300, 935), (330, 850), (340, 825), (374, 750), (375, 748), (425, 660), (500, 561), (510, 550)]