490386320

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{317}}^2$

素因数の和:708

約数の個数: 60

約数和(自身を含む): 1162506324

約数和(自身を除く): 672120004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 317, 488, 610, 634, 976, 1220, 1268, 1585, 2440, 2536, 3170, 4880, 5072, 6340, 12680, 19337, 25360, 38674, 77348, 96685, 100489, 154696, 193370, 200978, 309392, 386740, 401956, 502445, 773480, 803912, 1004890, 1546960, 1607824, 2009780, 4019560, 6129829, 8039120, 12259658, 24519316, 30649145, 49038632, 61298290, 98077264, 122596580, 245193160, 490386320]

約数ペア:

[(1, 490386320), (2, 245193160), (4, 122596580), (5, 98077264), (8, 61298290), (10, 49038632), (16, 30649145), (20, 24519316), (40, 12259658), (61, 8039120), (80, 6129829), (122, 4019560), (244, 2009780), (305, 1607824), (317, 1546960), (488, 1004890), (610, 803912), (634, 773480), (976, 502445), (1220, 401956), (1268, 386740), (1585, 309392), (2440, 200978), (2536, 193370), (3170, 154696), (4880, 100489), (5072, 96685), (6340, 77348), (12680, 38674), (19337, 25360)]