71487700

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{139}}^2$

素因数の和:329

約数の個数: 54

約数和(自身を含む): 160475406

約数和(自身を除く): 88987706

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 139, 148, 185, 278, 370, 556, 695, 740, 925, 1390, 1850, 2780, 3475, 3700, 5143, 6950, 10286, 13900, 19321, 20572, 25715, 38642, 51430, 77284, 96605, 102860, 128575, 193210, 257150, 386420, 483025, 514300, 714877, 966050, 1429754, 1932100, 2859508, 3574385, 7148770, 14297540, 17871925, 35743850, 71487700]

約数ペア:

[(1, 71487700), (2, 35743850), (4, 17871925), (5, 14297540), (10, 7148770), (20, 3574385), (25, 2859508), (37, 1932100), (50, 1429754), (74, 966050), (100, 714877), (139, 514300), (148, 483025), (185, 386420), (278, 257150), (370, 193210), (556, 128575), (695, 102860), (740, 96605), (925, 77284), (1390, 51430), (1850, 38642), (2780, 25715), (3475, 20572), (3700, 19321), (5143, 13900), (6950, 10286)]