1388397710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{809}}^1\times {\mathrm{24517}}^1$

素因数の和:25340

約数の個数: 32

約数和(自身を含む): 2859779520

約数和(自身を除く): 1471381810

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 809, 1618, 4045, 5663, 8090, 11326, 24517, 28315, 49034, 56630, 122585, 171619, 245170, 343238, 858095, 1716190, 19834253, 39668506, 99171265, 138839771, 198342530, 277679542, 694198855, 1388397710]

約数ペア:

[(1, 1388397710), (2, 694198855), (5, 277679542), (7, 198342530), (10, 138839771), (14, 99171265), (35, 39668506), (70, 19834253), (809, 1716190), (1618, 858095), (4045, 343238), (5663, 245170), (8090, 171619), (11326, 122585), (24517, 56630), (28315, 49034)]