339739240

素因数分解:

$2^3\times 5^1\times {\mathrm{367}}^1\times {\mathrm{23143}}^1$

素因数の和:23521

約数の個数: 32

約数和(自身を含む): 766529280

約数和(自身を除く): 426790040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 367, 734, 1468, 1835, 2936, 3670, 7340, 14680, 23143, 46286, 92572, 115715, 185144, 231430, 462860, 925720, 8493481, 16986962, 33973924, 42467405, 67947848, 84934810, 169869620, 339739240]

約数ペア:

[(1, 339739240), (2, 169869620), (4, 84934810), (5, 67947848), (8, 42467405), (10, 33973924), (20, 16986962), (40, 8493481), (367, 925720), (734, 462860), (1468, 231430), (1835, 185144), (2936, 115715), (3670, 92572), (7340, 46286), (14680, 23143)]