198412280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{7643}}^1$

素因数の和:7724

約数の個数: 64

約数和(自身を含む): 495331200

約数和(自身を除く): 296918920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 59, 88, 110, 118, 220, 236, 295, 440, 472, 590, 649, 1180, 1298, 2360, 2596, 3245, 5192, 6490, 7643, 12980, 15286, 25960, 30572, 38215, 61144, 76430, 84073, 152860, 168146, 305720, 336292, 420365, 450937, 672584, 840730, 901874, 1681460, 1803748, 2254685, 3362920, 3607496, 4509370, 4960307, 9018740, 9920614, 18037480, 19841228, 24801535, 39682456, 49603070, 99206140, 198412280]

約数ペア:

[(1, 198412280), (2, 99206140), (4, 49603070), (5, 39682456), (8, 24801535), (10, 19841228), (11, 18037480), (20, 9920614), (22, 9018740), (40, 4960307), (44, 4509370), (55, 3607496), (59, 3362920), (88, 2254685), (110, 1803748), (118, 1681460), (220, 901874), (236, 840730), (295, 672584), (440, 450937), (472, 420365), (590, 336292), (649, 305720), (1180, 168146), (1298, 152860), (2360, 84073), (2596, 76430), (3245, 61144), (5192, 38215), (6490, 30572), (7643, 25960), (12980, 15286)]