220268488

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:430

約数の個数: 64

約数和(自身を含む): 460728000

約数和(自身を除く): 240459512

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 107, 149, 157, 214, 298, 314, 428, 596, 628, 856, 1177, 1192, 1256, 1639, 1727, 2354, 3278, 3454, 4708, 6556, 6908, 9416, 13112, 13816, 15943, 16799, 23393, 31886, 33598, 46786, 63772, 67196, 93572, 127544, 134392, 175373, 184789, 187144, 257323, 350746, 369578, 514646, 701492, 739156, 1029292, 1402984, 1478312, 2058584, 2503051, 5006102, 10012204, 20024408, 27533561, 55067122, 110134244, 220268488]

約数ペア:

[(1, 220268488), (2, 110134244), (4, 55067122), (8, 27533561), (11, 20024408), (22, 10012204), (44, 5006102), (88, 2503051), (107, 2058584), (149, 1478312), (157, 1402984), (214, 1029292), (298, 739156), (314, 701492), (428, 514646), (596, 369578), (628, 350746), (856, 257323), (1177, 187144), (1192, 184789), (1256, 175373), (1639, 134392), (1727, 127544), (2354, 93572), (3278, 67196), (3454, 63772), (4708, 46786), (6556, 33598), (6908, 31886), (9416, 23393), (13112, 16799), (13816, 15943)]