122757320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{438419}}^1$

素因数の和:438437

約数の個数: 32

約数和(自身を含む): 315662400

約数和(自身を除く): 192905080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 438419, 876838, 1753676, 2192095, 3068933, 3507352, 4384190, 6137866, 8768380, 12275732, 15344665, 17536760, 24551464, 30689330, 61378660, 122757320]

約数ペア:

[(1, 122757320), (2, 61378660), (4, 30689330), (5, 24551464), (7, 17536760), (8, 15344665), (10, 12275732), (14, 8768380), (20, 6137866), (28, 4384190), (35, 3507352), (40, 3068933), (56, 2192095), (70, 1753676), (140, 876838), (280, 438419)]