131355560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{469127}}^1$

素因数の和:469145

約数の個数: 32

約数和(自身を含む): 337772160

約数和(自身を除く): 206416600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 469127, 938254, 1876508, 2345635, 3283889, 3753016, 4691270, 6567778, 9382540, 13135556, 16419445, 18765080, 26271112, 32838890, 65677780, 131355560]

約数ペア:

[(1, 131355560), (2, 65677780), (4, 32838890), (5, 26271112), (7, 18765080), (8, 16419445), (10, 13135556), (14, 9382540), (20, 6567778), (28, 4691270), (35, 3753016), (40, 3283889), (56, 2345635), (70, 1876508), (140, 938254), (280, 469127)]