90197950

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1913}}^1$

素因数の和:1989

約数の個数: 48

約数和(自身を含む): 179426016

約数和(自身を除く): 89228066

約数列:

[1, 2, 5, 10, 23, 25, 41, 46, 50, 82, 115, 205, 230, 410, 575, 943, 1025, 1150, 1886, 1913, 2050, 3826, 4715, 9430, 9565, 19130, 23575, 43999, 47150, 47825, 78433, 87998, 95650, 156866, 219995, 392165, 439990, 784330, 1099975, 1803959, 1960825, 2199950, 3607918, 3921650, 9019795, 18039590, 45098975, 90197950]

約数ペア:

[(1, 90197950), (2, 45098975), (5, 18039590), (10, 9019795), (23, 3921650), (25, 3607918), (41, 2199950), (46, 1960825), (50, 1803959), (82, 1099975), (115, 784330), (205, 439990), (230, 392165), (410, 219995), (575, 156866), (943, 95650), (1025, 87998), (1150, 78433), (1886, 47825), (1913, 47150), (2050, 43999), (3826, 23575), (4715, 19130), (9430, 9565)]