68754820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{1091}}^1$

素因数の和:1260

約数の個数: 48

約数和(自身を含む): 151901568

約数和(自身を除く): 83146748

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 137, 230, 274, 460, 548, 685, 1091, 1370, 2182, 2740, 3151, 4364, 5455, 6302, 10910, 12604, 15755, 21820, 25093, 31510, 50186, 63020, 100372, 125465, 149467, 250930, 298934, 501860, 597868, 747335, 1494670, 2989340, 3437741, 6875482, 13750964, 17188705, 34377410, 68754820]

約数ペア:

[(1, 68754820), (2, 34377410), (4, 17188705), (5, 13750964), (10, 6875482), (20, 3437741), (23, 2989340), (46, 1494670), (92, 747335), (115, 597868), (137, 501860), (230, 298934), (274, 250930), (460, 149467), (548, 125465), (685, 100372), (1091, 63020), (1370, 50186), (2182, 31510), (2740, 25093), (3151, 21820), (4364, 15755), (5455, 12604), (6302, 10910)]