30311498

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:331

約数の個数: 48

約数和(自身を含む): 56689920

約数和(自身を除く): 26378422

約数列:

[1, 2, 7, 14, 19, 38, 49, 73, 98, 133, 146, 223, 266, 446, 511, 931, 1022, 1387, 1561, 1862, 2774, 3122, 3577, 4237, 7154, 8474, 9709, 10927, 16279, 19418, 21854, 29659, 32558, 59318, 67963, 113953, 135926, 207613, 227906, 309301, 415226, 618602, 797671, 1595342, 2165107, 4330214, 15155749, 30311498]

約数ペア:

[(1, 30311498), (2, 15155749), (7, 4330214), (14, 2165107), (19, 1595342), (38, 797671), (49, 618602), (73, 415226), (98, 309301), (133, 227906), (146, 207613), (223, 135926), (266, 113953), (446, 67963), (511, 59318), (931, 32558), (1022, 29659), (1387, 21854), (1561, 19418), (1862, 16279), (2774, 10927), (3122, 9709), (3577, 8474), (4237, 7154)]