4042780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{431}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 9870336

約数和(自身を除く): 5827556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 431, 469, 670, 862, 938, 1340, 1724, 1876, 2155, 2345, 3017, 4310, 4690, 6034, 8620, 9380, 12068, 15085, 28877, 30170, 57754, 60340, 115508, 144385, 202139, 288770, 404278, 577540, 808556, 1010695, 2021390, 4042780]

約数ペア:

[(1, 4042780), (2, 2021390), (4, 1010695), (5, 808556), (7, 577540), (10, 404278), (14, 288770), (20, 202139), (28, 144385), (35, 115508), (67, 60340), (70, 57754), (134, 30170), (140, 28877), (268, 15085), (335, 12068), (431, 9380), (469, 8620), (670, 6034), (862, 4690), (938, 4310), (1340, 3017), (1724, 2345), (1876, 2155)]