1188978020

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{266587}}^1$

素因数の和:266819

約数の個数: 24

約数和(自身を含む): 2508059904

約数和(自身を除く): 1319081884

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 266587, 533174, 1066348, 1332935, 2665870, 5331740, 59448901, 118897802, 237795604, 297244505, 594489010, 1188978020]

約数ペア:

[(1, 1188978020), (2, 594489010), (4, 297244505), (5, 237795604), (10, 118897802), (20, 59448901), (223, 5331740), (446, 2665870), (892, 1332935), (1115, 1066348), (2230, 533174), (4460, 266587)]