349698740

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{211}}^1\times {\mathrm{479}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 743662080

約数和(自身を除く): 393963340

約数列:

[1, 2, 4, 5, 10, 20, 173, 211, 346, 422, 479, 692, 844, 865, 958, 1055, 1730, 1916, 2110, 2395, 3460, 4220, 4790, 9580, 36503, 73006, 82867, 101069, 146012, 165734, 182515, 202138, 331468, 365030, 404276, 414335, 505345, 730060, 828670, 1010690, 1657340, 2021380, 17484937, 34969874, 69939748, 87424685, 174849370, 349698740]

約数ペア:

[(1, 349698740), (2, 174849370), (4, 87424685), (5, 69939748), (10, 34969874), (20, 17484937), (173, 2021380), (211, 1657340), (346, 1010690), (422, 828670), (479, 730060), (692, 505345), (844, 414335), (865, 404276), (958, 365030), (1055, 331468), (1730, 202138), (1916, 182515), (2110, 165734), (2395, 146012), (3460, 101069), (4220, 82867), (4790, 73006), (9580, 36503)]