855456770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{89203}}^1$

素因数の和:89354

約数の個数: 32

約数和(自身を含む): 1772661888

約数和(自身を除く): 917205118

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 137, 274, 685, 959, 1370, 1918, 4795, 9590, 89203, 178406, 446015, 624421, 892030, 1248842, 3122105, 6244210, 12220811, 24441622, 61104055, 85545677, 122208110, 171091354, 427728385, 855456770]

約数ペア:

[(1, 855456770), (2, 427728385), (5, 171091354), (7, 122208110), (10, 85545677), (14, 61104055), (35, 24441622), (70, 12220811), (137, 6244210), (274, 3122105), (685, 1248842), (959, 892030), (1370, 624421), (1918, 446015), (4795, 178406), (9590, 89203)]