1002140

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{563}}^1$

素因数の和:661

約数の個数: 24

約数和(自身を含む): 2131920

約数和(自身を除く): 1129780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 563, 890, 1126, 1780, 2252, 2815, 5630, 11260, 50107, 100214, 200428, 250535, 501070, 1002140]

約数ペア:

[(1, 1002140), (2, 501070), (4, 250535), (5, 200428), (10, 100214), (20, 50107), (89, 11260), (178, 5630), (356, 2815), (445, 2252), (563, 1780), (890, 1126)]