220766128

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{941}}^1$

素因数の和:1034

約数の個数: 80

約数和(自身を含む): 493396992

約数和(自身を除く): 272630864

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 43, 44, 62, 86, 88, 124, 172, 176, 248, 341, 344, 473, 496, 682, 688, 941, 946, 1333, 1364, 1882, 1892, 2666, 2728, 3764, 3784, 5332, 5456, 7528, 7568, 10351, 10664, 14663, 15056, 20702, 21328, 29171, 29326, 40463, 41404, 58342, 58652, 80926, 82808, 116684, 117304, 161852, 165616, 233368, 234608, 320881, 323704, 445093, 466736, 641762, 647408, 890186, 1254353, 1283524, 1780372, 2508706, 2567048, 3560744, 5017412, 5134096, 7121488, 10034824, 13797883, 20069648, 27595766, 55191532, 110383064, 220766128]

約数ペア:

[(1, 220766128), (2, 110383064), (4, 55191532), (8, 27595766), (11, 20069648), (16, 13797883), (22, 10034824), (31, 7121488), (43, 5134096), (44, 5017412), (62, 3560744), (86, 2567048), (88, 2508706), (124, 1780372), (172, 1283524), (176, 1254353), (248, 890186), (341, 647408), (344, 641762), (473, 466736), (496, 445093), (682, 323704), (688, 320881), (941, 234608), (946, 233368), (1333, 165616), (1364, 161852), (1882, 117304), (1892, 116684), (2666, 82808), (2728, 80926), (3764, 58652), (3784, 58342), (5332, 41404), (5456, 40463), (7528, 29326), (7568, 29171), (10351, 21328), (10664, 20702), (14663, 15056)]