2781730

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{811}}^1$

素因数の和:839

約数の個数: 32

約数和(自身を含む): 5846400

約数和(自身を除く): 3064670

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 811, 1622, 1715, 3430, 4055, 5677, 8110, 11354, 28385, 39739, 56770, 79478, 198695, 278173, 397390, 556346, 1390865, 2781730]

約数ペア:

[(1, 2781730), (2, 1390865), (5, 556346), (7, 397390), (10, 278173), (14, 198695), (35, 79478), (49, 56770), (70, 39739), (98, 28385), (245, 11354), (343, 8110), (490, 5677), (686, 4055), (811, 3430), (1622, 1715)]