156973180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{86249}}^1$

素因数の和:86278

約数の個数: 48

約数和(自身を含む): 405720000

約数和(自身を除く): 248746820

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 86249, 172498, 344996, 431245, 603743, 862490, 1121237, 1207486, 1724980, 2242474, 2414972, 3018715, 4484948, 5606185, 6037430, 7848659, 11212370, 12074860, 15697318, 22424740, 31394636, 39243295, 78486590, 156973180]

約数ペア:

[(1, 156973180), (2, 78486590), (4, 39243295), (5, 31394636), (7, 22424740), (10, 15697318), (13, 12074860), (14, 11212370), (20, 7848659), (26, 6037430), (28, 5606185), (35, 4484948), (52, 3018715), (65, 2414972), (70, 2242474), (91, 1724980), (130, 1207486), (140, 1121237), (182, 862490), (260, 603743), (364, 431245), (455, 344996), (910, 172498), (1820, 86249)]