139100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1$

素因数の和:134

約数の個数: 36

約数和(自身を含む): 328104

約数和(自身を除く): 189004

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 107, 130, 214, 260, 325, 428, 535, 650, 1070, 1300, 1391, 2140, 2675, 2782, 5350, 5564, 6955, 10700, 13910, 27820, 34775, 69550, 139100]

約数ペア:

[(1, 139100), (2, 69550), (4, 34775), (5, 27820), (10, 13910), (13, 10700), (20, 6955), (25, 5564), (26, 5350), (50, 2782), (52, 2675), (65, 2140), (100, 1391), (107, 1300), (130, 1070), (214, 650), (260, 535), (325, 428)]