681402460

素因数分解:

$2^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{55219}}^1$

素因数の和:55845

約数の個数: 24

約数和(自身を含む): 1433290320

約数和(自身を除く): 751887860

約数列:

[1, 2, 4, 5, 10, 20, 617, 1234, 2468, 3085, 6170, 12340, 55219, 110438, 220876, 276095, 552190, 1104380, 34070123, 68140246, 136280492, 170350615, 340701230, 681402460]

約数ペア:

[(1, 681402460), (2, 340701230), (4, 170350615), (5, 136280492), (10, 68140246), (20, 34070123), (617, 1104380), (1234, 552190), (2468, 276095), (3085, 220876), (6170, 110438), (12340, 55219)]