72688420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{3109}}^1$

素因数の和:3292

約数の個数: 48

約数和(自身を含む): 175553280

約数和(自身を除く): 102864860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 167, 334, 668, 835, 1169, 1670, 2338, 3109, 3340, 4676, 5845, 6218, 11690, 12436, 15545, 21763, 23380, 31090, 43526, 62180, 87052, 108815, 217630, 435260, 519203, 1038406, 2076812, 2596015, 3634421, 5192030, 7268842, 10384060, 14537684, 18172105, 36344210, 72688420]

約数ペア:

[(1, 72688420), (2, 36344210), (4, 18172105), (5, 14537684), (7, 10384060), (10, 7268842), (14, 5192030), (20, 3634421), (28, 2596015), (35, 2076812), (70, 1038406), (140, 519203), (167, 435260), (334, 217630), (668, 108815), (835, 87052), (1169, 62180), (1670, 43526), (2338, 31090), (3109, 23380), (3340, 21763), (4676, 15545), (5845, 12436), (6218, 11690)]