218217760

素因数分解:

$2^5\times 5^1\times {\mathrm{541}}^1\times {\mathrm{2521}}^1$

素因数の和:3077

約数の個数: 48

約数和(自身を含む): 516697272

約数和(自身を除く): 298479512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 541, 1082, 2164, 2521, 2705, 4328, 5042, 5410, 8656, 10084, 10820, 12605, 17312, 20168, 21640, 25210, 40336, 43280, 50420, 80672, 86560, 100840, 201680, 403360, 1363861, 2727722, 5455444, 6819305, 10910888, 13638610, 21821776, 27277220, 43643552, 54554440, 109108880, 218217760]

約数ペア:

[(1, 218217760), (2, 109108880), (4, 54554440), (5, 43643552), (8, 27277220), (10, 21821776), (16, 13638610), (20, 10910888), (32, 6819305), (40, 5455444), (80, 2727722), (160, 1363861), (541, 403360), (1082, 201680), (2164, 100840), (2521, 86560), (2705, 80672), (4328, 50420), (5042, 43280), (5410, 40336), (8656, 25210), (10084, 21640), (10820, 20168), (12605, 17312)]