247683040

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{140729}}^1$

素因数の和:140755

約数の個数: 48

約数和(自身を含む): 638351280

約数和(自身を除く): 390668240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 140729, 281458, 562916, 703645, 1125832, 1407290, 1548019, 2251664, 2814580, 3096038, 4503328, 5629160, 6192076, 7740095, 11258320, 12384152, 15480190, 22516640, 24768304, 30960380, 49536608, 61920760, 123841520, 247683040]

約数ペア:

[(1, 247683040), (2, 123841520), (4, 61920760), (5, 49536608), (8, 30960380), (10, 24768304), (11, 22516640), (16, 15480190), (20, 12384152), (22, 11258320), (32, 7740095), (40, 6192076), (44, 5629160), (55, 4503328), (80, 3096038), (88, 2814580), (110, 2251664), (160, 1548019), (176, 1407290), (220, 1125832), (352, 703645), (440, 562916), (880, 281458), (1760, 140729)]