149695120

素因数分解:

$2^4\times 5^1\times {\mathrm{937}}^1\times {\mathrm{1997}}^1$

素因数の和:2947

約数の個数: 40

約数和(自身を含む): 348587064

約数和(自身を除く): 198891944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 937, 1874, 1997, 3748, 3994, 4685, 7496, 7988, 9370, 9985, 14992, 15976, 18740, 19970, 31952, 37480, 39940, 74960, 79880, 159760, 1871189, 3742378, 7484756, 9355945, 14969512, 18711890, 29939024, 37423780, 74847560, 149695120]

約数ペア:

[(1, 149695120), (2, 74847560), (4, 37423780), (5, 29939024), (8, 18711890), (10, 14969512), (16, 9355945), (20, 7484756), (40, 3742378), (80, 1871189), (937, 159760), (1874, 79880), (1997, 74960), (3748, 39940), (3994, 37480), (4685, 31952), (7496, 19970), (7988, 18740), (9370, 15976), (9985, 14992)]