2181830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:524

約数の個数: 32

約数和(自身を含む): 4561920

約数和(自身を除く): 2380090

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 439, 497, 710, 878, 994, 2195, 2485, 3073, 4390, 4970, 6146, 15365, 30730, 31169, 62338, 155845, 218183, 311690, 436366, 1090915, 2181830]

約数ペア:

[(1, 2181830), (2, 1090915), (5, 436366), (7, 311690), (10, 218183), (14, 155845), (35, 62338), (70, 31169), (71, 30730), (142, 15365), (355, 6146), (439, 4970), (497, 4390), (710, 3073), (878, 2485), (994, 2195)]