138362980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{26711}}^1$

素因数の和:26764

約数の個数: 48

約数和(自身を含む): 341058816

約数和(自身を除く): 202695836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 26711, 53422, 106844, 133555, 186977, 267110, 373954, 534220, 747908, 934885, 988307, 1869770, 1976614, 3739540, 3953228, 4941535, 6918149, 9883070, 13836298, 19766140, 27672596, 34590745, 69181490, 138362980]

約数ペア:

[(1, 138362980), (2, 69181490), (4, 34590745), (5, 27672596), (7, 19766140), (10, 13836298), (14, 9883070), (20, 6918149), (28, 4941535), (35, 3953228), (37, 3739540), (70, 1976614), (74, 1869770), (140, 988307), (148, 934885), (185, 747908), (259, 534220), (370, 373954), (518, 267110), (740, 186977), (1036, 133555), (1295, 106844), (2590, 53422), (5180, 26711)]