77271320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{275969}}^1$

素因数の和:275987

約数の個数: 32

約数和(自身を含む): 198698400

約数和(自身を除く): 121427080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 275969, 551938, 1103876, 1379845, 1931783, 2207752, 2759690, 3863566, 5519380, 7727132, 9658915, 11038760, 15454264, 19317830, 38635660, 77271320]

約数ペア:

[(1, 77271320), (2, 38635660), (4, 19317830), (5, 15454264), (7, 11038760), (8, 9658915), (10, 7727132), (14, 5519380), (20, 3863566), (28, 2759690), (35, 2207752), (40, 1931783), (56, 1379845), (70, 1103876), (140, 551938), (280, 275969)]