78050000

素因数分解:

$2^4\times 5^5\times 7^1\times {\mathrm{223}}^1$

素因数の和:263

約数の個数: 120

約数和(自身を含む): 216986112

約数和(自身を除く): 138936112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 223, 250, 280, 350, 400, 446, 500, 560, 625, 700, 875, 892, 1000, 1115, 1250, 1400, 1561, 1750, 1784, 2000, 2230, 2500, 2800, 3122, 3125, 3500, 3568, 4375, 4460, 5000, 5575, 6244, 6250, 7000, 7805, 8750, 8920, 10000, 11150, 12488, 12500, 14000, 15610, 17500, 17840, 21875, 22300, 24976, 25000, 27875, 31220, 35000, 39025, 43750, 44600, 50000, 55750, 62440, 70000, 78050, 87500, 89200, 111500, 124880, 139375, 156100, 175000, 195125, 223000, 278750, 312200, 350000, 390250, 446000, 557500, 624400, 696875, 780500, 975625, 1115000, 1393750, 1561000, 1951250, 2230000, 2787500, 3122000, 3902500, 4878125, 5575000, 7805000, 9756250, 11150000, 15610000, 19512500, 39025000, 78050000]

約数ペア:

[(1, 78050000), (2, 39025000), (4, 19512500), (5, 15610000), (7, 11150000), (8, 9756250), (10, 7805000), (14, 5575000), (16, 4878125), (20, 3902500), (25, 3122000), (28, 2787500), (35, 2230000), (40, 1951250), (50, 1561000), (56, 1393750), (70, 1115000), (80, 975625), (100, 780500), (112, 696875), (125, 624400), (140, 557500), (175, 446000), (200, 390250), (223, 350000), (250, 312200), (280, 278750), (350, 223000), (400, 195125), (446, 175000), (500, 156100), (560, 139375), (625, 124880), (700, 111500), (875, 89200), (892, 87500), (1000, 78050), (1115, 70000), (1250, 62440), (1400, 55750), (1561, 50000), (1750, 44600), (1784, 43750), (2000, 39025), (2230, 35000), (2500, 31220), (2800, 27875), (3122, 25000), (3125, 24976), (3500, 22300), (3568, 21875), (4375, 17840), (4460, 17500), (5000, 15610), (5575, 14000), (6244, 12500), (6250, 12488), (7000, 11150), (7805, 10000), (8750, 8920)]