123450040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{440893}}^1$

素因数の和:440911

約数の個数: 32

約数和(自身を含む): 317443680

約数和(自身を除く): 193993640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 440893, 881786, 1763572, 2204465, 3086251, 3527144, 4408930, 6172502, 8817860, 12345004, 15431255, 17635720, 24690008, 30862510, 61725020, 123450040]

約数ペア:

[(1, 123450040), (2, 61725020), (4, 30862510), (5, 24690008), (7, 17635720), (8, 15431255), (10, 12345004), (14, 8817860), (20, 6172502), (28, 4408930), (35, 3527144), (40, 3086251), (56, 2204465), (70, 1763572), (140, 881786), (280, 440893)]