1971380

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{409}}^1$

素因数の和:659

約数の個数: 24

約数和(自身を含む): 4167240

約数和(自身を除く): 2195860

約数列:

[1, 2, 4, 5, 10, 20, 241, 409, 482, 818, 964, 1205, 1636, 2045, 2410, 4090, 4820, 8180, 98569, 197138, 394276, 492845, 985690, 1971380]

約数ペア:

[(1, 1971380), (2, 985690), (4, 492845), (5, 394276), (10, 197138), (20, 98569), (241, 8180), (409, 4820), (482, 4090), (818, 2410), (964, 2045), (1205, 1636)]