7234640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{12919}}^1$

素因数の和:12939

約数の個数: 40

約数和(自身を含む): 19224960

約数和(自身を除く): 11990320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 12919, 25838, 51676, 64595, 90433, 103352, 129190, 180866, 206704, 258380, 361732, 452165, 516760, 723464, 904330, 1033520, 1446928, 1808660, 3617320, 7234640]

約数ペア:

[(1, 7234640), (2, 3617320), (4, 1808660), (5, 1446928), (7, 1033520), (8, 904330), (10, 723464), (14, 516760), (16, 452165), (20, 361732), (28, 258380), (35, 206704), (40, 180866), (56, 129190), (70, 103352), (80, 90433), (112, 64595), (140, 51676), (280, 25838), (560, 12919)]