405230

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{827}}^1$

素因数の和:848

約数の個数: 24

約数和(自身を含む): 849528

約数和(自身を除く): 444298

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 827, 1654, 4135, 5789, 8270, 11578, 28945, 40523, 57890, 81046, 202615, 405230]

約数ペア:

[(1, 405230), (2, 202615), (5, 81046), (7, 57890), (10, 40523), (14, 28945), (35, 11578), (49, 8270), (70, 5789), (98, 4135), (245, 1654), (490, 827)]