201988240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{132887}}^1$

素因数の和:132919

約数の個数: 40

約数和(自身を含む): 494343360

約数和(自身を除く): 292355120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 132887, 265774, 531548, 664435, 1063096, 1328870, 2126192, 2524853, 2657740, 5049706, 5315480, 10099412, 10630960, 12624265, 20198824, 25248530, 40397648, 50497060, 100994120, 201988240]

約数ペア:

[(1, 201988240), (2, 100994120), (4, 50497060), (5, 40397648), (8, 25248530), (10, 20198824), (16, 12624265), (19, 10630960), (20, 10099412), (38, 5315480), (40, 5049706), (76, 2657740), (80, 2524853), (95, 2126192), (152, 1328870), (190, 1063096), (304, 664435), (380, 531548), (760, 265774), (1520, 132887)]