342020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{349}}^1$

素因数の和:372

約数の個数: 36

約数和(自身を含む): 837900

約数和(自身を除く): 495880

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 349, 490, 698, 980, 1396, 1745, 2443, 3490, 4886, 6980, 9772, 12215, 17101, 24430, 34202, 48860, 68404, 85505, 171010, 342020]

約数ペア:

[(1, 342020), (2, 171010), (4, 85505), (5, 68404), (7, 48860), (10, 34202), (14, 24430), (20, 17101), (28, 12215), (35, 9772), (49, 6980), (70, 4886), (98, 3490), (140, 2443), (196, 1745), (245, 1396), (349, 980), (490, 698)]