149285320

素因数分解:

$2^3\times 5^1\times {\mathrm{1867}}^1\times {\mathrm{1999}}^1$

素因数の和:3877

約数の個数: 32

約数和(自身を含む): 336240000

約数和(自身を除く): 186954680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1867, 1999, 3734, 3998, 7468, 7996, 9335, 9995, 14936, 15992, 18670, 19990, 37340, 39980, 74680, 79960, 3732133, 7464266, 14928532, 18660665, 29857064, 37321330, 74642660, 149285320]

約数ペア:

[(1, 149285320), (2, 74642660), (4, 37321330), (5, 29857064), (8, 18660665), (10, 14928532), (20, 7464266), (40, 3732133), (1867, 79960), (1999, 74680), (3734, 39980), (3998, 37340), (7468, 19990), (7996, 18670), (9335, 15992), (9995, 14936)]