28677460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10781}}^1$

素因数の和:10816

約数の個数: 48

約数和(自身を含む): 72455040

約数和(自身を除く): 43777580

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 10781, 21562, 43124, 53905, 75467, 107810, 150934, 204839, 215620, 301868, 377335, 409678, 754670, 819356, 1024195, 1433873, 1509340, 2048390, 2867746, 4096780, 5735492, 7169365, 14338730, 28677460]

約数ペア:

[(1, 28677460), (2, 14338730), (4, 7169365), (5, 5735492), (7, 4096780), (10, 2867746), (14, 2048390), (19, 1509340), (20, 1433873), (28, 1024195), (35, 819356), (38, 754670), (70, 409678), (76, 377335), (95, 301868), (133, 215620), (140, 204839), (190, 150934), (266, 107810), (380, 75467), (532, 53905), (665, 43124), (1330, 21562), (2660, 10781)]