200015956

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{661}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 408385152

約数和(自身を除く): 208369196

約数列:

[1, 2, 4, 7, 14, 28, 101, 107, 202, 214, 404, 428, 661, 707, 749, 1322, 1414, 1498, 2644, 2828, 2996, 4627, 9254, 10807, 18508, 21614, 43228, 66761, 70727, 75649, 133522, 141454, 151298, 267044, 282908, 302596, 467327, 495089, 934654, 990178, 1869308, 1980356, 7143427, 14286854, 28573708, 50003989, 100007978, 200015956]

約数ペア:

[(1, 200015956), (2, 100007978), (4, 50003989), (7, 28573708), (14, 14286854), (28, 7143427), (101, 1980356), (107, 1869308), (202, 990178), (214, 934654), (404, 495089), (428, 467327), (661, 302596), (707, 282908), (749, 267044), (1322, 151298), (1414, 141454), (1498, 133522), (2644, 75649), (2828, 70727), (2996, 66761), (4627, 43228), (9254, 21614), (10807, 18508)]