121210040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{432893}}^1$

素因数の和:432911

約数の個数: 32

約数和(自身を含む): 311683680

約数和(自身を除く): 190473640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 432893, 865786, 1731572, 2164465, 3030251, 3463144, 4328930, 6060502, 8657860, 12121004, 15151255, 17315720, 24242008, 30302510, 60605020, 121210040]

約数ペア:

[(1, 121210040), (2, 60605020), (4, 30302510), (5, 24242008), (7, 17315720), (8, 15151255), (10, 12121004), (14, 8657860), (20, 6060502), (28, 4328930), (35, 3463144), (40, 3030251), (56, 2164465), (70, 1731572), (140, 865786), (280, 432893)]