199428560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131203}}^1$

素因数の和:131235

約数の個数: 40

約数和(自身を含む): 488078880

約数和(自身を除く): 288650320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 131203, 262406, 524812, 656015, 1049624, 1312030, 2099248, 2492857, 2624060, 4985714, 5248120, 9971428, 10496240, 12464285, 19942856, 24928570, 39885712, 49857140, 99714280, 199428560]

約数ペア:

[(1, 199428560), (2, 99714280), (4, 49857140), (5, 39885712), (8, 24928570), (10, 19942856), (16, 12464285), (19, 10496240), (20, 9971428), (38, 5248120), (40, 4985714), (76, 2624060), (80, 2492857), (95, 2099248), (152, 1312030), (190, 1049624), (304, 656015), (380, 524812), (760, 262406), (1520, 131203)]