199679920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{2203}}^1$

素因数の和:2330

約数の個数: 80

約数和(自身を含む): 511610112

約数和(自身を除く): 311930192

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 103, 110, 176, 206, 220, 412, 440, 515, 824, 880, 1030, 1133, 1648, 2060, 2203, 2266, 4120, 4406, 4532, 5665, 8240, 8812, 9064, 11015, 11330, 17624, 18128, 22030, 22660, 24233, 35248, 44060, 45320, 48466, 88120, 90640, 96932, 121165, 176240, 193864, 226909, 242330, 387728, 453818, 484660, 907636, 969320, 1134545, 1815272, 1938640, 2269090, 2495999, 3630544, 4538180, 4991998, 9076360, 9983996, 12479995, 18152720, 19967992, 24959990, 39935984, 49919980, 99839960, 199679920]

約数ペア:

[(1, 199679920), (2, 99839960), (4, 49919980), (5, 39935984), (8, 24959990), (10, 19967992), (11, 18152720), (16, 12479995), (20, 9983996), (22, 9076360), (40, 4991998), (44, 4538180), (55, 3630544), (80, 2495999), (88, 2269090), (103, 1938640), (110, 1815272), (176, 1134545), (206, 969320), (220, 907636), (412, 484660), (440, 453818), (515, 387728), (824, 242330), (880, 226909), (1030, 193864), (1133, 176240), (1648, 121165), (2060, 96932), (2203, 90640), (2266, 88120), (4120, 48466), (4406, 45320), (4532, 44060), (5665, 35248), (8240, 24233), (8812, 22660), (9064, 22030), (11015, 18128), (11330, 17624)]