71343290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{4219}}^1$

素因数の和:4334

約数の個数: 32

約数和(自身を含む): 136728000

約数和(自身を除く): 65384710

約数列:

[1, 2, 5, 10, 19, 38, 89, 95, 178, 190, 445, 890, 1691, 3382, 4219, 8438, 8455, 16910, 21095, 42190, 80161, 160322, 375491, 400805, 750982, 801610, 1877455, 3754910, 7134329, 14268658, 35671645, 71343290]

約数ペア:

[(1, 71343290), (2, 35671645), (5, 14268658), (10, 7134329), (19, 3754910), (38, 1877455), (89, 801610), (95, 750982), (178, 400805), (190, 375491), (445, 160322), (890, 80161), (1691, 42190), (3382, 21095), (4219, 16910), (8438, 8455)]