28283870

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{233}}^1$

素因数の和:500

約数の個数: 32

約数和(自身を含む): 52228800

約数和(自身を除く): 23944930

約数列:

[1, 2, 5, 10, 61, 122, 199, 233, 305, 398, 466, 610, 995, 1165, 1990, 2330, 12139, 14213, 24278, 28426, 46367, 60695, 71065, 92734, 121390, 142130, 231835, 463670, 2828387, 5656774, 14141935, 28283870]

約数ペア:

[(1, 28283870), (2, 14141935), (5, 5656774), (10, 2828387), (61, 463670), (122, 231835), (199, 142130), (233, 121390), (305, 92734), (398, 71065), (466, 60695), (610, 46367), (995, 28426), (1165, 24278), (1990, 14213), (2330, 12139)]