218007460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{2207}}^1$

素因数の和:2676

約数の個数: 48

約数和(自身を含む): 500774400

約数和(自身を除く): 282766940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 449, 898, 1796, 2207, 2245, 4414, 4490, 4939, 8828, 8980, 9878, 11035, 19756, 22070, 24277, 24695, 44140, 48554, 49390, 97108, 98780, 121385, 242770, 485540, 990943, 1981886, 3963772, 4954715, 9909430, 10900373, 19818860, 21800746, 43601492, 54501865, 109003730, 218007460]

約数ペア:

[(1, 218007460), (2, 109003730), (4, 54501865), (5, 43601492), (10, 21800746), (11, 19818860), (20, 10900373), (22, 9909430), (44, 4954715), (55, 3963772), (110, 1981886), (220, 990943), (449, 485540), (898, 242770), (1796, 121385), (2207, 98780), (2245, 97108), (4414, 49390), (4490, 48554), (4939, 44140), (8828, 24695), (8980, 24277), (9878, 22070), (11035, 19756)]