157489780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{8093}}^1$

素因数の和:8248

約数の個数: 48

約数和(自身を含む): 380741760

約数和(自身を除く): 223251980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 3892, 4865, 8093, 9730, 16186, 19460, 32372, 40465, 56651, 80930, 113302, 161860, 226604, 283255, 566510, 1124927, 1133020, 2249854, 4499708, 5624635, 7874489, 11249270, 15748978, 22498540, 31497956, 39372445, 78744890, 157489780]

約数ペア:

[(1, 157489780), (2, 78744890), (4, 39372445), (5, 31497956), (7, 22498540), (10, 15748978), (14, 11249270), (20, 7874489), (28, 5624635), (35, 4499708), (70, 2249854), (139, 1133020), (140, 1124927), (278, 566510), (556, 283255), (695, 226604), (973, 161860), (1390, 113302), (1946, 80930), (2780, 56651), (3892, 40465), (4865, 32372), (8093, 19460), (9730, 16186)]