39074140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3931}}^1$

素因数の和:4018

約数の個数: 48

約数和(自身を含む): 95122944

約数和(自身を除く): 56048804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 3931, 4970, 7862, 9940, 15724, 19655, 27517, 39310, 55034, 78620, 110068, 137585, 275170, 279101, 550340, 558202, 1116404, 1395505, 1953707, 2791010, 3907414, 5582020, 7814828, 9768535, 19537070, 39074140]

約数ペア:

[(1, 39074140), (2, 19537070), (4, 9768535), (5, 7814828), (7, 5582020), (10, 3907414), (14, 2791010), (20, 1953707), (28, 1395505), (35, 1116404), (70, 558202), (71, 550340), (140, 279101), (142, 275170), (284, 137585), (355, 110068), (497, 78620), (710, 55034), (994, 39310), (1420, 27517), (1988, 19655), (2485, 15724), (3931, 9940), (4970, 7862)]