204886640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{52267}}^1$

素因数の和:52294

約数の個数: 60

約数和(自身を含む): 554145336

約数和(自身を除く): 349258696

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 52267, 104534, 209068, 261335, 365869, 418136, 522670, 731738, 836272, 1045340, 1463476, 1829345, 2090680, 2561083, 2926952, 3658690, 4181360, 5122166, 5853904, 7317380, 10244332, 12805415, 14634760, 20488664, 25610830, 29269520, 40977328, 51221660, 102443320, 204886640]

約数ペア:

[(1, 204886640), (2, 102443320), (4, 51221660), (5, 40977328), (7, 29269520), (8, 25610830), (10, 20488664), (14, 14634760), (16, 12805415), (20, 10244332), (28, 7317380), (35, 5853904), (40, 5122166), (49, 4181360), (56, 3658690), (70, 2926952), (80, 2561083), (98, 2090680), (112, 1829345), (140, 1463476), (196, 1045340), (245, 836272), (280, 731738), (392, 522670), (490, 418136), (560, 365869), (784, 261335), (980, 209068), (1960, 104534), (3920, 52267)]