2780090

素因数分解:

$2^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{877}}^1$

素因数の和:1201

約数の個数: 16

約数和(自身を含む): 5025672

約数和(自身を除く): 2245582

約数列:

[1, 2, 5, 10, 317, 634, 877, 1585, 1754, 3170, 4385, 8770, 278009, 556018, 1390045, 2780090]

約数ペア:

[(1, 2780090), (2, 1390045), (5, 556018), (10, 278009), (317, 8770), (634, 4385), (877, 3170), (1585, 1754)]