210880390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{81421}}^1$

素因数の和:81472

約数の個数: 32

約数和(自身を含む): 445541184

約数和(自身を除く): 234660794

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 518, 1295, 2590, 81421, 162842, 407105, 569947, 814210, 1139894, 2849735, 3012577, 5699470, 6025154, 15062885, 21088039, 30125770, 42176078, 105440195, 210880390]

約数ペア:

[(1, 210880390), (2, 105440195), (5, 42176078), (7, 30125770), (10, 21088039), (14, 15062885), (35, 6025154), (37, 5699470), (70, 3012577), (74, 2849735), (185, 1139894), (259, 814210), (370, 569947), (518, 407105), (1295, 162842), (2590, 81421)]