109338040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{390493}}^1$

素因数の和:390511

約数の個数: 32

約数和(自身を含む): 281155680

約数和(自身を除く): 171817640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 390493, 780986, 1561972, 1952465, 2733451, 3123944, 3904930, 5466902, 7809860, 10933804, 13667255, 15619720, 21867608, 27334510, 54669020, 109338040]

約数ペア:

[(1, 109338040), (2, 54669020), (4, 27334510), (5, 21867608), (7, 15619720), (8, 13667255), (10, 10933804), (14, 7809860), (20, 5466902), (28, 3904930), (35, 3123944), (40, 2733451), (56, 1952465), (70, 1561972), (140, 780986), (280, 390493)]