30397780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1213}}^1$

素因数の和:1408

約数の個数: 48

約数和(自身を含む): 73422720

約数和(自身を除く): 43024940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179, 358, 716, 895, 1213, 1253, 1790, 2426, 2506, 3580, 4852, 5012, 6065, 6265, 8491, 12130, 12530, 16982, 24260, 25060, 33964, 42455, 84910, 169820, 217127, 434254, 868508, 1085635, 1519889, 2171270, 3039778, 4342540, 6079556, 7599445, 15198890, 30397780]

約数ペア:

[(1, 30397780), (2, 15198890), (4, 7599445), (5, 6079556), (7, 4342540), (10, 3039778), (14, 2171270), (20, 1519889), (28, 1085635), (35, 868508), (70, 434254), (140, 217127), (179, 169820), (358, 84910), (716, 42455), (895, 33964), (1213, 25060), (1253, 24260), (1790, 16982), (2426, 12530), (2506, 12130), (3580, 8491), (4852, 6265), (5012, 6065)]