130819640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{467213}}^1$

素因数の和:467231

約数の個数: 32

約数和(自身を含む): 336394080

約数和(自身を除く): 205574440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 467213, 934426, 1868852, 2336065, 3270491, 3737704, 4672130, 6540982, 9344260, 13081964, 16352455, 18688520, 26163928, 32704910, 65409820, 130819640]

約数ペア:

[(1, 130819640), (2, 65409820), (4, 32704910), (5, 26163928), (7, 18688520), (8, 16352455), (10, 13081964), (14, 9344260), (20, 6540982), (28, 4672130), (35, 3737704), (40, 3270491), (56, 2336065), (70, 1868852), (140, 934426), (280, 467213)]