28685090

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{8363}}^1$

素因数の和:8391

約数の個数: 32

約数和(自身を含む): 60220800

約数和(自身を除く): 31535710

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 8363, 16726, 41815, 58541, 83630, 117082, 292705, 409787, 585410, 819574, 2048935, 2868509, 4097870, 5737018, 14342545, 28685090]

約数ペア:

[(1, 28685090), (2, 14342545), (5, 5737018), (7, 4097870), (10, 2868509), (14, 2048935), (35, 819574), (49, 585410), (70, 409787), (98, 292705), (245, 117082), (343, 83630), (490, 58541), (686, 41815), (1715, 16726), (3430, 8363)]