131347720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{469099}}^1$

素因数の和:469117

約数の個数: 32

約数和(自身を含む): 337752000

約数和(自身を除く): 206404280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 469099, 938198, 1876396, 2345495, 3283693, 3752792, 4690990, 6567386, 9381980, 13134772, 16418465, 18763960, 26269544, 32836930, 65673860, 131347720]

約数ペア:

[(1, 131347720), (2, 65673860), (4, 32836930), (5, 26269544), (7, 18763960), (8, 16418465), (10, 13134772), (14, 9381980), (20, 6567386), (28, 4690990), (35, 3752792), (40, 3283693), (56, 2345495), (70, 1876396), (140, 938198), (280, 469099)]