187867940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{3631}}^1$

素因数の和:3852

約数の個数: 48

約数和(自身を含む): 427123200

約数和(自身を除く): 239255260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 260, 398, 796, 995, 1990, 2587, 3631, 3980, 5174, 7262, 10348, 12935, 14524, 18155, 25870, 36310, 47203, 51740, 72620, 94406, 188812, 236015, 472030, 722569, 944060, 1445138, 2890276, 3612845, 7225690, 9393397, 14451380, 18786794, 37573588, 46966985, 93933970, 187867940]

約数ペア:

[(1, 187867940), (2, 93933970), (4, 46966985), (5, 37573588), (10, 18786794), (13, 14451380), (20, 9393397), (26, 7225690), (52, 3612845), (65, 2890276), (130, 1445138), (199, 944060), (260, 722569), (398, 472030), (796, 236015), (995, 188812), (1990, 94406), (2587, 72620), (3631, 51740), (3980, 47203), (5174, 36310), (7262, 25870), (10348, 18155), (12935, 14524)]