220349612

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{431}}^1$

素因数の和:523

約数の個数: 72

約数和(自身を含む): 480453120

約数和(自身を除く): 260103508

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 124, 133, 217, 266, 431, 434, 532, 589, 862, 868, 961, 1178, 1724, 1922, 2356, 3017, 3844, 4123, 6034, 6727, 8189, 8246, 12068, 13361, 13454, 16378, 16492, 18259, 26722, 26908, 32756, 36518, 53444, 57323, 73036, 93527, 114646, 127813, 187054, 229292, 253859, 255626, 374108, 414191, 507718, 511252, 828382, 1015436, 1656764, 1777013, 2899337, 3554026, 5798674, 7108052, 7869629, 11597348, 15739258, 31478516, 55087403, 110174806, 220349612]

約数ペア:

[(1, 220349612), (2, 110174806), (4, 55087403), (7, 31478516), (14, 15739258), (19, 11597348), (28, 7869629), (31, 7108052), (38, 5798674), (62, 3554026), (76, 2899337), (124, 1777013), (133, 1656764), (217, 1015436), (266, 828382), (431, 511252), (434, 507718), (532, 414191), (589, 374108), (862, 255626), (868, 253859), (961, 229292), (1178, 187054), (1724, 127813), (1922, 114646), (2356, 93527), (3017, 73036), (3844, 57323), (4123, 53444), (6034, 36518), (6727, 32756), (8189, 26908), (8246, 26722), (12068, 18259), (13361, 16492), (13454, 16378)]