218275280

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1\times {\mathrm{211}}^1$

素因数の和:484

約数の個数: 80

約数和(自身を含む): 520186944

約数和(自身を除く): 301911664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 193, 211, 268, 335, 386, 422, 536, 670, 772, 844, 965, 1055, 1072, 1340, 1544, 1688, 1930, 2110, 2680, 3088, 3376, 3860, 4220, 5360, 7720, 8440, 12931, 14137, 15440, 16880, 25862, 28274, 40723, 51724, 56548, 64655, 70685, 81446, 103448, 113096, 129310, 141370, 162892, 203615, 206896, 226192, 258620, 282740, 325784, 407230, 517240, 565480, 651568, 814460, 1034480, 1130960, 1628920, 2728441, 3257840, 5456882, 10913764, 13642205, 21827528, 27284410, 43655056, 54568820, 109137640, 218275280]

約数ペア:

[(1, 218275280), (2, 109137640), (4, 54568820), (5, 43655056), (8, 27284410), (10, 21827528), (16, 13642205), (20, 10913764), (40, 5456882), (67, 3257840), (80, 2728441), (134, 1628920), (193, 1130960), (211, 1034480), (268, 814460), (335, 651568), (386, 565480), (422, 517240), (536, 407230), (670, 325784), (772, 282740), (844, 258620), (965, 226192), (1055, 206896), (1072, 203615), (1340, 162892), (1544, 141370), (1688, 129310), (1930, 113096), (2110, 103448), (2680, 81446), (3088, 70685), (3376, 64655), (3860, 56548), (4220, 51724), (5360, 40723), (7720, 28274), (8440, 25862), (12931, 16880), (14137, 15440)]