204446600

素因数分解:

$2^3\times 5^2\times {\mathrm{197}}^1\times {\mathrm{5189}}^1$

素因数の和:5402

約数の個数: 48

約数和(自身を含む): 477843300

約数和(自身を除く): 273396700

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 197, 200, 394, 788, 985, 1576, 1970, 3940, 4925, 5189, 7880, 9850, 10378, 19700, 20756, 25945, 39400, 41512, 51890, 103780, 129725, 207560, 259450, 518900, 1022233, 1037800, 2044466, 4088932, 5111165, 8177864, 10222330, 20444660, 25555825, 40889320, 51111650, 102223300, 204446600]

約数ペア:

[(1, 204446600), (2, 102223300), (4, 51111650), (5, 40889320), (8, 25555825), (10, 20444660), (20, 10222330), (25, 8177864), (40, 5111165), (50, 4088932), (100, 2044466), (197, 1037800), (200, 1022233), (394, 518900), (788, 259450), (985, 207560), (1576, 129725), (1970, 103780), (3940, 51890), (4925, 41512), (5189, 39400), (7880, 25945), (9850, 20756), (10378, 19700)]