193758340

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{547}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 414288000

約数和(自身を除く): 220529660

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 199, 356, 398, 445, 547, 796, 890, 995, 1094, 1780, 1990, 2188, 2735, 3980, 5470, 10940, 17711, 35422, 48683, 70844, 88555, 97366, 108853, 177110, 194732, 217706, 243415, 354220, 435412, 486830, 544265, 973660, 1088530, 2177060, 9687917, 19375834, 38751668, 48439585, 96879170, 193758340]

約数ペア:

[(1, 193758340), (2, 96879170), (4, 48439585), (5, 38751668), (10, 19375834), (20, 9687917), (89, 2177060), (178, 1088530), (199, 973660), (356, 544265), (398, 486830), (445, 435412), (547, 354220), (796, 243415), (890, 217706), (995, 194732), (1094, 177110), (1780, 108853), (1990, 97366), (2188, 88555), (2735, 70844), (3980, 48683), (5470, 35422), (10940, 17711)]