211325840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:297

約数の個数: 160

約数和(自身を含む): 572749056

約数和(自身を除く): 361423216

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 53, 55, 80, 88, 92, 106, 110, 115, 176, 184, 197, 212, 220, 230, 253, 265, 368, 394, 424, 440, 460, 506, 530, 583, 788, 848, 880, 920, 985, 1012, 1060, 1166, 1219, 1265, 1576, 1840, 1970, 2024, 2120, 2167, 2332, 2438, 2530, 2915, 3152, 3940, 4048, 4240, 4334, 4531, 4664, 4876, 5060, 5830, 6095, 7880, 8668, 9062, 9328, 9752, 10120, 10441, 10835, 11660, 12190, 13409, 15760, 17336, 18124, 19504, 20240, 20882, 21670, 22655, 23320, 24380, 26818, 34672, 36248, 41764, 43340, 45310, 46640, 48760, 49841, 52205, 53636, 67045, 72496, 83528, 86680, 90620, 97520, 99682, 104410, 107272, 114851, 134090, 167056, 173360, 181240, 199364, 208820, 214544, 229702, 240143, 249205, 268180, 362480, 398728, 417640, 459404, 480286, 498410, 536360, 574255, 797456, 835280, 918808, 960572, 996820, 1072720, 1148510, 1200715, 1837616, 1921144, 1993640, 2297020, 2401430, 2641573, 3842288, 3987280, 4594040, 4802860, 5283146, 9188080, 9605720, 10566292, 13207865, 19211440, 21132584, 26415730, 42265168, 52831460, 105662920, 211325840]

約数ペア:

[(1, 211325840), (2, 105662920), (4, 52831460), (5, 42265168), (8, 26415730), (10, 21132584), (11, 19211440), (16, 13207865), (20, 10566292), (22, 9605720), (23, 9188080), (40, 5283146), (44, 4802860), (46, 4594040), (53, 3987280), (55, 3842288), (80, 2641573), (88, 2401430), (92, 2297020), (106, 1993640), (110, 1921144), (115, 1837616), (176, 1200715), (184, 1148510), (197, 1072720), (212, 996820), (220, 960572), (230, 918808), (253, 835280), (265, 797456), (368, 574255), (394, 536360), (424, 498410), (440, 480286), (460, 459404), (506, 417640), (530, 398728), (583, 362480), (788, 268180), (848, 249205), (880, 240143), (920, 229702), (985, 214544), (1012, 208820), (1060, 199364), (1166, 181240), (1219, 173360), (1265, 167056), (1576, 134090), (1840, 114851), (1970, 107272), (2024, 104410), (2120, 99682), (2167, 97520), (2332, 90620), (2438, 86680), (2530, 83528), (2915, 72496), (3152, 67045), (3940, 53636), (4048, 52205), (4240, 49841), (4334, 48760), (4531, 46640), (4664, 45310), (4876, 43340), (5060, 41764), (5830, 36248), (6095, 34672), (7880, 26818), (8668, 24380), (9062, 23320), (9328, 22655), (9752, 21670), (10120, 20882), (10441, 20240), (10835, 19504), (11660, 18124), (12190, 17336), (13409, 15760)]