155689520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{278017}}^1$

素因数の和:278037

約数の個数: 40

約数和(自身を含む): 413690784

約数和(自身を除く): 258001264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 278017, 556034, 1112068, 1390085, 1946119, 2224136, 2780170, 3892238, 4448272, 5560340, 7784476, 9730595, 11120680, 15568952, 19461190, 22241360, 31137904, 38922380, 77844760, 155689520]

約数ペア:

[(1, 155689520), (2, 77844760), (4, 38922380), (5, 31137904), (7, 22241360), (8, 19461190), (10, 15568952), (14, 11120680), (16, 9730595), (20, 7784476), (28, 5560340), (35, 4448272), (40, 3892238), (56, 2780170), (70, 2224136), (80, 1946119), (112, 1390085), (140, 1112068), (280, 556034), (560, 278017)]