199580560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131303}}^1$

素因数の和:131335

約数の個数: 40

約数和(自身を含む): 488450880

約数和(自身を除く): 288870320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 131303, 262606, 525212, 656515, 1050424, 1313030, 2100848, 2494757, 2626060, 4989514, 5252120, 9979028, 10504240, 12473785, 19958056, 24947570, 39916112, 49895140, 99790280, 199580560]

約数ペア:

[(1, 199580560), (2, 99790280), (4, 49895140), (5, 39916112), (8, 24947570), (10, 19958056), (16, 12473785), (19, 10504240), (20, 9979028), (38, 5252120), (40, 4989514), (76, 2626060), (80, 2494757), (95, 2100848), (152, 1313030), (190, 1050424), (304, 656515), (380, 525212), (760, 262606), (1520, 131303)]