138325640

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{23209}}^1$

素因数の和:23369

約数の個数: 32

約数和(自身を含む): 313335000

約数和(自身を除く): 175009360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 23209, 46418, 92836, 116045, 185672, 232090, 464180, 928360, 3458141, 6916282, 13832564, 17290705, 27665128, 34581410, 69162820, 138325640]

約数ペア:

[(1, 138325640), (2, 69162820), (4, 34581410), (5, 27665128), (8, 17290705), (10, 13832564), (20, 6916282), (40, 3458141), (149, 928360), (298, 464180), (596, 232090), (745, 185672), (1192, 116045), (1490, 92836), (2980, 46418), (5960, 23209)]