1371020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1399}}^1$

素因数の和:1422

約数の個数: 36

約数和(自身を含む): 3351600

約数和(自身を除く): 1980580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1399, 2798, 5596, 6995, 9793, 13990, 19586, 27980, 39172, 48965, 68551, 97930, 137102, 195860, 274204, 342755, 685510, 1371020]

約数ペア:

[(1, 1371020), (2, 685510), (4, 342755), (5, 274204), (7, 195860), (10, 137102), (14, 97930), (20, 68551), (28, 48965), (35, 39172), (49, 27980), (70, 19586), (98, 13990), (140, 9793), (196, 6995), (245, 5596), (490, 2798), (980, 1399)]