38984980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{277}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 85188096

約数和(自身を除く): 46203116

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 227, 277, 310, 454, 554, 620, 908, 1108, 1135, 1385, 2270, 2770, 4540, 5540, 7037, 8587, 14074, 17174, 28148, 34348, 35185, 42935, 62879, 70370, 85870, 125758, 140740, 171740, 251516, 314395, 628790, 1257580, 1949249, 3898498, 7796996, 9746245, 19492490, 38984980]

約数ペア:

[(1, 38984980), (2, 19492490), (4, 9746245), (5, 7796996), (10, 3898498), (20, 1949249), (31, 1257580), (62, 628790), (124, 314395), (155, 251516), (227, 171740), (277, 140740), (310, 125758), (454, 85870), (554, 70370), (620, 62879), (908, 42935), (1108, 35185), (1135, 34348), (1385, 28148), (2270, 17174), (2770, 14074), (4540, 8587), (5540, 7037)]