1290190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1$

素因数の和:372

約数の個数: 32

約数和(自身を含む): 2610144

約数和(自身を除く): 1319954

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 317, 370, 407, 634, 814, 1585, 2035, 3170, 3487, 4070, 6974, 11729, 17435, 23458, 34870, 58645, 117290, 129019, 258038, 645095, 1290190]

約数ペア:

[(1, 1290190), (2, 645095), (5, 258038), (10, 129019), (11, 117290), (22, 58645), (37, 34870), (55, 23458), (74, 17435), (110, 11729), (185, 6974), (317, 4070), (370, 3487), (407, 3170), (634, 2035), (814, 1585)]