6810020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{6949}}^1$

素因数の和:6972

約数の個数: 36

約数和(自身を含む): 16638300

約数和(自身を除く): 9828280

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 6949, 13898, 27796, 34745, 48643, 69490, 97286, 138980, 194572, 243215, 340501, 486430, 681002, 972860, 1362004, 1702505, 3405010, 6810020]

約数ペア:

[(1, 6810020), (2, 3405010), (4, 1702505), (5, 1362004), (7, 972860), (10, 681002), (14, 486430), (20, 340501), (28, 243215), (35, 194572), (49, 138980), (70, 97286), (98, 69490), (140, 48643), (196, 34745), (245, 27796), (490, 13898), (980, 6949)]