321875710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{283}}^1\times {\mathrm{673}}^1$

素因数の和:989

約数の個数: 48

約数和(自身を含む): 630524304

約数和(自身を除く): 308648594

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 283, 338, 566, 673, 845, 1346, 1415, 1690, 2830, 3365, 3679, 6730, 7358, 8749, 17498, 18395, 36790, 43745, 47827, 87490, 95654, 113737, 190459, 227474, 239135, 380918, 478270, 568685, 952295, 1137370, 1904590, 2475967, 4951934, 12379835, 24759670, 32187571, 64375142, 160937855, 321875710]

約数ペア:

[(1, 321875710), (2, 160937855), (5, 64375142), (10, 32187571), (13, 24759670), (26, 12379835), (65, 4951934), (130, 2475967), (169, 1904590), (283, 1137370), (338, 952295), (566, 568685), (673, 478270), (845, 380918), (1346, 239135), (1415, 227474), (1690, 190459), (2830, 113737), (3365, 95654), (3679, 87490), (6730, 47827), (7358, 43745), (8749, 36790), (17498, 18395)]