121555420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{12959}}^1$

素因数の和:13042

約数の個数: 48

約数和(自身を含む): 296110080

約数和(自身を除く): 174554660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 4690, 9380, 12959, 25918, 51836, 64795, 90713, 129590, 181426, 259180, 362852, 453565, 868253, 907130, 1736506, 1814260, 3473012, 4341265, 6077771, 8682530, 12155542, 17365060, 24311084, 30388855, 60777710, 121555420]

約数ペア:

[(1, 121555420), (2, 60777710), (4, 30388855), (5, 24311084), (7, 17365060), (10, 12155542), (14, 8682530), (20, 6077771), (28, 4341265), (35, 3473012), (67, 1814260), (70, 1736506), (134, 907130), (140, 868253), (268, 453565), (335, 362852), (469, 259180), (670, 181426), (938, 129590), (1340, 90713), (1876, 64795), (2345, 51836), (4690, 25918), (9380, 12959)]