304866280

素因数分解:

$2^3\times 5^1\times {\mathrm{1931}}^1\times {\mathrm{3947}}^1$

素因数の和:5889

約数の個数: 32

約数和(自身を含む): 686478240

約数和(自身を除く): 381611960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1931, 3862, 3947, 7724, 7894, 9655, 15448, 15788, 19310, 19735, 31576, 38620, 39470, 77240, 78940, 157880, 7621657, 15243314, 30486628, 38108285, 60973256, 76216570, 152433140, 304866280]

約数ペア:

[(1, 304866280), (2, 152433140), (4, 76216570), (5, 60973256), (8, 38108285), (10, 30486628), (20, 15243314), (40, 7621657), (1931, 157880), (3862, 78940), (3947, 77240), (7724, 39470), (7894, 38620), (9655, 31576), (15448, 19735), (15788, 19310)]