191018840

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{60449}}^1$

素因数の和:60539

約数の個数: 32

約数和(自身を含む): 435240000

約数和(自身を除く): 244221160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 60449, 120898, 241796, 302245, 483592, 604490, 1208980, 2417960, 4775471, 9550942, 19101884, 23877355, 38203768, 47754710, 95509420, 191018840]

約数ペア:

[(1, 191018840), (2, 95509420), (4, 47754710), (5, 38203768), (8, 23877355), (10, 19101884), (20, 9550942), (40, 4775471), (79, 2417960), (158, 1208980), (316, 604490), (395, 483592), (632, 302245), (790, 241796), (1580, 120898), (3160, 60449)]