71855000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{2053}}^1$

素因数の和:2086

約数の個数: 80

約数和(自身を含む): 192500880

約数和(自身を除く): 120645880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 625, 700, 875, 1000, 1250, 1400, 1750, 2053, 2500, 3500, 4106, 4375, 5000, 7000, 8212, 8750, 10265, 14371, 16424, 17500, 20530, 28742, 35000, 41060, 51325, 57484, 71855, 82120, 102650, 114968, 143710, 205300, 256625, 287420, 359275, 410600, 513250, 574840, 718550, 1026500, 1283125, 1437100, 1796375, 2053000, 2566250, 2874200, 3592750, 5132500, 7185500, 8981875, 10265000, 14371000, 17963750, 35927500, 71855000]

約数ペア:

[(1, 71855000), (2, 35927500), (4, 17963750), (5, 14371000), (7, 10265000), (8, 8981875), (10, 7185500), (14, 5132500), (20, 3592750), (25, 2874200), (28, 2566250), (35, 2053000), (40, 1796375), (50, 1437100), (56, 1283125), (70, 1026500), (100, 718550), (125, 574840), (140, 513250), (175, 410600), (200, 359275), (250, 287420), (280, 256625), (350, 205300), (500, 143710), (625, 114968), (700, 102650), (875, 82120), (1000, 71855), (1250, 57484), (1400, 51325), (1750, 41060), (2053, 35000), (2500, 28742), (3500, 20530), (4106, 17500), (4375, 16424), (5000, 14371), (7000, 10265), (8212, 8750)]