71796820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{188939}}^1$

素因数の和:188967

約数の個数: 24

約数和(自身を含む): 158709600

約数和(自身を除く): 86912780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 188939, 377878, 755756, 944695, 1889390, 3589841, 3778780, 7179682, 14359364, 17949205, 35898410, 71796820]

約数ペア:

[(1, 71796820), (2, 35898410), (4, 17949205), (5, 14359364), (10, 7179682), (19, 3778780), (20, 3589841), (38, 1889390), (76, 944695), (95, 755756), (190, 377878), (380, 188939)]