2187860

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{787}}^1$

素因数の和:935

約数の個数: 24

約数和(自身を含む): 4633440

約数和(自身を除く): 2445580

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 787, 1390, 1574, 2780, 3148, 3935, 7870, 15740, 109393, 218786, 437572, 546965, 1093930, 2187860]

約数ペア:

[(1, 2187860), (2, 1093930), (4, 546965), (5, 437572), (10, 218786), (20, 109393), (139, 15740), (278, 7870), (556, 3935), (695, 3148), (787, 2780), (1390, 1574)]