280069916

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{337}}^1\times {\mathrm{443}}^1$

素因数の和:858

約数の個数: 48

約数和(自身を含む): 571474176

約数和(自身を除く): 291404260

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 337, 443, 469, 674, 886, 938, 1348, 1772, 1876, 2359, 3101, 4718, 6202, 9436, 12404, 22579, 29681, 45158, 59362, 90316, 118724, 149291, 158053, 207767, 298582, 316106, 415534, 597164, 632212, 831068, 1045037, 2090074, 4180148, 10002497, 20004994, 40009988, 70017479, 140034958, 280069916]

約数ペア:

[(1, 280069916), (2, 140034958), (4, 70017479), (7, 40009988), (14, 20004994), (28, 10002497), (67, 4180148), (134, 2090074), (268, 1045037), (337, 831068), (443, 632212), (469, 597164), (674, 415534), (886, 316106), (938, 298582), (1348, 207767), (1772, 158053), (1876, 149291), (2359, 118724), (3101, 90316), (4718, 59362), (6202, 45158), (9436, 29681), (12404, 22579)]