291228850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{1301}}^1$

素因数の和:1372

約数の個数: 72

約数和(自身を含む): 611968644

約数和(自身を除く): 320739794

約数列:

[1, 2, 5, 10, 11, 22, 25, 37, 50, 55, 74, 110, 121, 185, 242, 275, 370, 407, 550, 605, 814, 925, 1210, 1301, 1850, 2035, 2602, 3025, 4070, 4477, 6050, 6505, 8954, 10175, 13010, 14311, 20350, 22385, 28622, 32525, 44770, 48137, 65050, 71555, 96274, 111925, 143110, 157421, 223850, 240685, 314842, 357775, 481370, 529507, 715550, 787105, 1059014, 1203425, 1574210, 2406850, 2647535, 3935525, 5295070, 5824577, 7871050, 11649154, 13237675, 26475350, 29122885, 58245770, 145614425, 291228850]

約数ペア:

[(1, 291228850), (2, 145614425), (5, 58245770), (10, 29122885), (11, 26475350), (22, 13237675), (25, 11649154), (37, 7871050), (50, 5824577), (55, 5295070), (74, 3935525), (110, 2647535), (121, 2406850), (185, 1574210), (242, 1203425), (275, 1059014), (370, 787105), (407, 715550), (550, 529507), (605, 481370), (814, 357775), (925, 314842), (1210, 240685), (1301, 223850), (1850, 157421), (2035, 143110), (2602, 111925), (3025, 96274), (4070, 71555), (4477, 65050), (6050, 48137), (6505, 44770), (8954, 32525), (10175, 28622), (13010, 22385), (14311, 20350)]