72209620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{515783}}^1$

素因数の和:515799

約数の個数: 24

約数和(自身を含む): 173303424

約数和(自身を除く): 101093804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 515783, 1031566, 2063132, 2578915, 3610481, 5157830, 7220962, 10315660, 14441924, 18052405, 36104810, 72209620]

約数ペア:

[(1, 72209620), (2, 36104810), (4, 18052405), (5, 14441924), (7, 10315660), (10, 7220962), (14, 5157830), (20, 3610481), (28, 2578915), (35, 2063132), (70, 1031566), (140, 515783)]