140890470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{677}}^1\times {\mathrm{991}}^1$

素因数の和:1685

約数の個数: 64

約数和(自身を含む): 387403776

約数和(自身を除く): 246513306

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 677, 991, 1354, 1982, 2031, 2973, 3385, 4062, 4739, 4955, 5946, 6770, 6937, 9478, 9910, 10155, 13874, 14217, 14865, 20310, 20811, 23695, 28434, 29730, 34685, 41622, 47390, 69370, 71085, 104055, 142170, 208110, 670907, 1341814, 2012721, 3354535, 4025442, 4696349, 6709070, 9392698, 10063605, 14089047, 20127210, 23481745, 28178094, 46963490, 70445235, 140890470]

約数ペア:

[(1, 140890470), (2, 70445235), (3, 46963490), (5, 28178094), (6, 23481745), (7, 20127210), (10, 14089047), (14, 10063605), (15, 9392698), (21, 6709070), (30, 4696349), (35, 4025442), (42, 3354535), (70, 2012721), (105, 1341814), (210, 670907), (677, 208110), (991, 142170), (1354, 104055), (1982, 71085), (2031, 69370), (2973, 47390), (3385, 41622), (4062, 34685), (4739, 29730), (4955, 28434), (5946, 23695), (6770, 20811), (6937, 20310), (9478, 14865), (9910, 14217), (10155, 13874)]