129589040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{231409}}^1$

素因数の和:231429

約数の個数: 40

約数和(自身を含む): 344338080

約数和(自身を除く): 214749040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 231409, 462818, 925636, 1157045, 1619863, 1851272, 2314090, 3239726, 3702544, 4628180, 6479452, 8099315, 9256360, 12958904, 16198630, 18512720, 25917808, 32397260, 64794520, 129589040]

約数ペア:

[(1, 129589040), (2, 64794520), (4, 32397260), (5, 25917808), (7, 18512720), (8, 16198630), (10, 12958904), (14, 9256360), (16, 8099315), (20, 6479452), (28, 4628180), (35, 3702544), (40, 3239726), (56, 2314090), (70, 1851272), (80, 1619863), (112, 1157045), (140, 925636), (280, 462818), (560, 231409)]