517720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^2$

素因数の和:104

約数の個数: 48

約数和(自身を含む): 1362960

約数和(自身を除く): 845240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 1849, 2408, 3010, 3698, 6020, 7396, 9245, 12040, 12943, 14792, 18490, 25886, 36980, 51772, 64715, 73960, 103544, 129430, 258860, 517720]

約数ペア:

[(1, 517720), (2, 258860), (4, 129430), (5, 103544), (7, 73960), (8, 64715), (10, 51772), (14, 36980), (20, 25886), (28, 18490), (35, 14792), (40, 12943), (43, 12040), (56, 9245), (70, 7396), (86, 6020), (140, 3698), (172, 3010), (215, 2408), (280, 1849), (301, 1720), (344, 1505), (430, 1204), (602, 860)]