87821300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1151}}^1$

素因数の和:1281

約数の個数: 72

約数和(自身を含む): 219985920

約数和(自身を除く): 132164620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 109, 140, 175, 218, 350, 436, 545, 700, 763, 1090, 1151, 1526, 2180, 2302, 2725, 3052, 3815, 4604, 5450, 5755, 7630, 8057, 10900, 11510, 15260, 16114, 19075, 23020, 28775, 32228, 38150, 40285, 57550, 76300, 80570, 115100, 125459, 161140, 201425, 250918, 402850, 501836, 627295, 805700, 878213, 1254590, 1756426, 2509180, 3136475, 3512852, 4391065, 6272950, 8782130, 12545900, 17564260, 21955325, 43910650, 87821300]

約数ペア:

[(1, 87821300), (2, 43910650), (4, 21955325), (5, 17564260), (7, 12545900), (10, 8782130), (14, 6272950), (20, 4391065), (25, 3512852), (28, 3136475), (35, 2509180), (50, 1756426), (70, 1254590), (100, 878213), (109, 805700), (140, 627295), (175, 501836), (218, 402850), (350, 250918), (436, 201425), (545, 161140), (700, 125459), (763, 115100), (1090, 80570), (1151, 76300), (1526, 57550), (2180, 40285), (2302, 38150), (2725, 32228), (3052, 28775), (3815, 23020), (4604, 19075), (5450, 16114), (5755, 15260), (7630, 11510), (8057, 10900)]