129376660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{1361}}^1$

素因数の和:1481

約数の個数: 72

約数和(自身を含む): 319541544

約数和(自身を除く): 190164884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 97, 98, 140, 194, 196, 245, 388, 485, 490, 679, 970, 980, 1358, 1361, 1940, 2716, 2722, 3395, 4753, 5444, 6790, 6805, 9506, 9527, 13580, 13610, 19012, 19054, 23765, 27220, 38108, 47530, 47635, 66689, 95060, 95270, 132017, 133378, 190540, 264034, 266756, 333445, 528068, 660085, 666890, 924119, 1320170, 1333780, 1848238, 2640340, 3696476, 4620595, 6468833, 9241190, 12937666, 18482380, 25875332, 32344165, 64688330, 129376660]

約数ペア:

[(1, 129376660), (2, 64688330), (4, 32344165), (5, 25875332), (7, 18482380), (10, 12937666), (14, 9241190), (20, 6468833), (28, 4620595), (35, 3696476), (49, 2640340), (70, 1848238), (97, 1333780), (98, 1320170), (140, 924119), (194, 666890), (196, 660085), (245, 528068), (388, 333445), (485, 266756), (490, 264034), (679, 190540), (970, 133378), (980, 132017), (1358, 95270), (1361, 95060), (1940, 66689), (2716, 47635), (2722, 47530), (3395, 38108), (4753, 27220), (5444, 23765), (6790, 19054), (6805, 19012), (9506, 13610), (9527, 13580)]