133721840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{238789}}^1$

素因数の和:238809

約数の個数: 40

約数和(自身を含む): 355319520

約数和(自身を除く): 221597680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 238789, 477578, 955156, 1193945, 1671523, 1910312, 2387890, 3343046, 3820624, 4775780, 6686092, 8357615, 9551560, 13372184, 16715230, 19103120, 26744368, 33430460, 66860920, 133721840]

約数ペア:

[(1, 133721840), (2, 66860920), (4, 33430460), (5, 26744368), (7, 19103120), (8, 16715230), (10, 13372184), (14, 9551560), (16, 8357615), (20, 6686092), (28, 4775780), (35, 3820624), (40, 3343046), (56, 2387890), (70, 1910312), (80, 1671523), (112, 1193945), (140, 955156), (280, 477578), (560, 238789)]