30780722

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:367

約数の個数: 48

約数和(自身を含む): 57674880

約数和(自身を除く): 26894158

約数列:

[1, 2, 7, 14, 19, 38, 49, 61, 98, 122, 133, 266, 271, 427, 542, 854, 931, 1159, 1862, 1897, 2318, 2989, 3794, 5149, 5978, 8113, 10298, 13279, 16226, 16531, 26558, 33062, 36043, 56791, 72086, 113582, 115717, 231434, 252301, 314089, 504602, 628178, 810019, 1620038, 2198623, 4397246, 15390361, 30780722]

約数ペア:

[(1, 30780722), (2, 15390361), (7, 4397246), (14, 2198623), (19, 1620038), (38, 810019), (49, 628178), (61, 504602), (98, 314089), (122, 252301), (133, 231434), (266, 115717), (271, 113582), (427, 72086), (542, 56791), (854, 36043), (931, 33062), (1159, 26558), (1862, 16531), (1897, 16226), (2318, 13279), (2989, 10298), (3794, 8113), (5149, 5978)]