393487240

素因数分解:

$2^3\times 5^1\times {\mathrm{929}}^1\times {\mathrm{10589}}^1$

素因数の和:11529

約数の個数: 32

約数和(自身を含む): 886383000

約数和(自身を除く): 492895760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 929, 1858, 3716, 4645, 7432, 9290, 10589, 18580, 21178, 37160, 42356, 52945, 84712, 105890, 211780, 423560, 9837181, 19674362, 39348724, 49185905, 78697448, 98371810, 196743620, 393487240]

約数ペア:

[(1, 393487240), (2, 196743620), (4, 98371810), (5, 78697448), (8, 49185905), (10, 39348724), (20, 19674362), (40, 9837181), (929, 423560), (1858, 211780), (3716, 105890), (4645, 84712), (7432, 52945), (9290, 42356), (10589, 37160), (18580, 21178)]