102305140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{104393}}^1$

素因数の和:104416

約数の個数: 36

約数和(自身を含む): 249919236

約数和(自身を除く): 147614096

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 104393, 208786, 417572, 521965, 730751, 1043930, 1461502, 2087860, 2923004, 3653755, 5115257, 7307510, 10230514, 14615020, 20461028, 25576285, 51152570, 102305140]

約数ペア:

[(1, 102305140), (2, 51152570), (4, 25576285), (5, 20461028), (7, 14615020), (10, 10230514), (14, 7307510), (20, 5115257), (28, 3653755), (35, 2923004), (49, 2087860), (70, 1461502), (98, 1043930), (140, 730751), (196, 521965), (245, 417572), (490, 208786), (980, 104393)]