149523560

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{433}}^1$

素因数の和:630

約数の個数: 64

約数和(自身を含む): 344509200

約数和(自身を除く): 194985640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 97, 178, 194, 356, 388, 433, 445, 485, 712, 776, 866, 890, 970, 1732, 1780, 1940, 2165, 3464, 3560, 3880, 4330, 8633, 8660, 17266, 17320, 34532, 38537, 42001, 43165, 69064, 77074, 84002, 86330, 154148, 168004, 172660, 192685, 210005, 308296, 336008, 345320, 385370, 420010, 770740, 840020, 1541480, 1680040, 3738089, 7476178, 14952356, 18690445, 29904712, 37380890, 74761780, 149523560]

約数ペア:

[(1, 149523560), (2, 74761780), (4, 37380890), (5, 29904712), (8, 18690445), (10, 14952356), (20, 7476178), (40, 3738089), (89, 1680040), (97, 1541480), (178, 840020), (194, 770740), (356, 420010), (388, 385370), (433, 345320), (445, 336008), (485, 308296), (712, 210005), (776, 192685), (866, 172660), (890, 168004), (970, 154148), (1732, 86330), (1780, 84002), (1940, 77074), (2165, 69064), (3464, 43165), (3560, 42001), (3880, 38537), (4330, 34532), (8633, 17320), (8660, 17266)]