78708140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{562201}}^1$

素因数の和:562217

約数の個数: 24

約数和(自身を含む): 188899872

約数和(自身を除く): 110191732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 562201, 1124402, 2248804, 2811005, 3935407, 5622010, 7870814, 11244020, 15741628, 19677035, 39354070, 78708140]

約数ペア:

[(1, 78708140), (2, 39354070), (4, 19677035), (5, 15741628), (7, 11244020), (10, 7870814), (14, 5622010), (20, 3935407), (28, 2811005), (35, 2248804), (70, 1124402), (140, 562201)]