89031320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{317969}}^1$

素因数の和:317987

約数の個数: 32

約数和(自身を含む): 228938400

約数和(自身を除く): 139907080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 317969, 635938, 1271876, 1589845, 2225783, 2543752, 3179690, 4451566, 6359380, 8903132, 11128915, 12718760, 17806264, 22257830, 44515660, 89031320]

約数ペア:

[(1, 89031320), (2, 44515660), (4, 22257830), (5, 17806264), (7, 12718760), (8, 11128915), (10, 8903132), (14, 6359380), (20, 4451566), (28, 3179690), (35, 2543752), (40, 2225783), (56, 1589845), (70, 1271876), (140, 635938), (280, 317969)]