291010280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{12479}}^1$

素因数の和:12554

約数の個数: 64

約数和(自身を含む): 727833600

約数和(自身を除く): 436823320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 53, 55, 88, 106, 110, 212, 220, 265, 424, 440, 530, 583, 1060, 1166, 2120, 2332, 2915, 4664, 5830, 11660, 12479, 23320, 24958, 49916, 62395, 99832, 124790, 137269, 249580, 274538, 499160, 549076, 661387, 686345, 1098152, 1322774, 1372690, 2645548, 2745380, 3306935, 5291096, 5490760, 6613870, 7275257, 13227740, 14550514, 26455480, 29101028, 36376285, 58202056, 72752570, 145505140, 291010280]

約数ペア:

[(1, 291010280), (2, 145505140), (4, 72752570), (5, 58202056), (8, 36376285), (10, 29101028), (11, 26455480), (20, 14550514), (22, 13227740), (40, 7275257), (44, 6613870), (53, 5490760), (55, 5291096), (88, 3306935), (106, 2745380), (110, 2645548), (212, 1372690), (220, 1322774), (265, 1098152), (424, 686345), (440, 661387), (530, 549076), (583, 499160), (1060, 274538), (1166, 249580), (2120, 137269), (2332, 124790), (2915, 99832), (4664, 62395), (5830, 49916), (11660, 24958), (12479, 23320)]