1521140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4003}}^1$

素因数の和:4031

約数の個数: 24

約数和(自身を含む): 3363360

約数和(自身を除く): 1842220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 4003, 8006, 16012, 20015, 40030, 76057, 80060, 152114, 304228, 380285, 760570, 1521140]

約数ペア:

[(1, 1521140), (2, 760570), (4, 380285), (5, 304228), (10, 152114), (19, 80060), (20, 76057), (38, 40030), (76, 20015), (95, 16012), (190, 8006), (380, 4003)]