123595880

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:474

約数の個数: 64

約数和(自身を含む): 284169600

約数和(自身を除く): 160573720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 131, 206, 229, 262, 412, 458, 515, 524, 655, 824, 916, 1030, 1048, 1145, 1310, 1832, 2060, 2290, 2620, 4120, 4580, 5240, 9160, 13493, 23587, 26986, 29999, 47174, 53972, 59998, 67465, 94348, 107944, 117935, 119996, 134930, 149995, 188696, 235870, 239992, 269860, 299990, 471740, 539720, 599980, 943480, 1199960, 3089897, 6179794, 12359588, 15449485, 24719176, 30898970, 61797940, 123595880]

約数ペア:

[(1, 123595880), (2, 61797940), (4, 30898970), (5, 24719176), (8, 15449485), (10, 12359588), (20, 6179794), (40, 3089897), (103, 1199960), (131, 943480), (206, 599980), (229, 539720), (262, 471740), (412, 299990), (458, 269860), (515, 239992), (524, 235870), (655, 188696), (824, 149995), (916, 134930), (1030, 119996), (1048, 117935), (1145, 107944), (1310, 94348), (1832, 67465), (2060, 59998), (2290, 53972), (2620, 47174), (4120, 29999), (4580, 26986), (5240, 23587), (9160, 13493)]