133339420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{93901}}^1$

素因数の和:93981

約数の個数: 24

約数和(自身を含む): 283959648

約数和(自身を除く): 150620228

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 93901, 187802, 375604, 469505, 939010, 1878020, 6666971, 13333942, 26667884, 33334855, 66669710, 133339420]

約数ペア:

[(1, 133339420), (2, 66669710), (4, 33334855), (5, 26667884), (10, 13333942), (20, 6666971), (71, 1878020), (142, 939010), (284, 469505), (355, 375604), (710, 187802), (1420, 93901)]