238062920

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{11927}}^1$

素因数の和:12437

約数の個数: 32

約数和(自身を含む): 536760000

約数和(自身を除く): 298697080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 998, 1996, 2495, 3992, 4990, 9980, 11927, 19960, 23854, 47708, 59635, 95416, 119270, 238540, 477080, 5951573, 11903146, 23806292, 29757865, 47612584, 59515730, 119031460, 238062920]

約数ペア:

[(1, 238062920), (2, 119031460), (4, 59515730), (5, 47612584), (8, 29757865), (10, 23806292), (20, 11903146), (40, 5951573), (499, 477080), (998, 238540), (1996, 119270), (2495, 95416), (3992, 59635), (4990, 47708), (9980, 23854), (11927, 19960)]