138488840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{5099}}^1$

素因数の和:5214

約数の個数: 64

約数和(自身を含む): 359856000

約数和(自身を除く): 221367160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 388, 485, 679, 776, 970, 1358, 1940, 2716, 3395, 3880, 5099, 5432, 6790, 10198, 13580, 20396, 25495, 27160, 35693, 40792, 50990, 71386, 101980, 142772, 178465, 203960, 285544, 356930, 494603, 713860, 989206, 1427720, 1978412, 2473015, 3462221, 3956824, 4946030, 6924442, 9892060, 13848884, 17311105, 19784120, 27697768, 34622210, 69244420, 138488840]

約数ペア:

[(1, 138488840), (2, 69244420), (4, 34622210), (5, 27697768), (7, 19784120), (8, 17311105), (10, 13848884), (14, 9892060), (20, 6924442), (28, 4946030), (35, 3956824), (40, 3462221), (56, 2473015), (70, 1978412), (97, 1427720), (140, 989206), (194, 713860), (280, 494603), (388, 356930), (485, 285544), (679, 203960), (776, 178465), (970, 142772), (1358, 101980), (1940, 71386), (2716, 50990), (3395, 40792), (3880, 35693), (5099, 27160), (5432, 25495), (6790, 20396), (10198, 13580)]