487346780

素因数分解:

$2^2\times 5^1\times {\mathrm{1171}}^1\times {\mathrm{20809}}^1$

素因数の和:21989

約数の個数: 24

約数和(自身を含む): 1024351440

約数和(自身を除く): 537004660

約数列:

[1, 2, 4, 5, 10, 20, 1171, 2342, 4684, 5855, 11710, 20809, 23420, 41618, 83236, 104045, 208090, 416180, 24367339, 48734678, 97469356, 121836695, 243673390, 487346780]

約数ペア:

[(1, 487346780), (2, 243673390), (4, 121836695), (5, 97469356), (10, 48734678), (20, 24367339), (1171, 416180), (2342, 208090), (4684, 104045), (5855, 83236), (11710, 41618), (20809, 23420)]