2498929490

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{25321}}^1$

素因数の和:25538

約数の個数: 32

約数和(自身を含む): 4594423680

約数和(自身を除く): 2095494190

約数列:

[1, 2, 5, 10, 71, 139, 142, 278, 355, 695, 710, 1390, 9869, 19738, 25321, 49345, 50642, 98690, 126605, 253210, 1797791, 3519619, 3595582, 7039238, 8988955, 17598095, 17977910, 35196190, 249892949, 499785898, 1249464745, 2498929490]

約数ペア:

[(1, 2498929490), (2, 1249464745), (5, 499785898), (10, 249892949), (71, 35196190), (139, 17977910), (142, 17598095), (278, 8988955), (355, 7039238), (695, 3595582), (710, 3519619), (1390, 1797791), (9869, 253210), (19738, 126605), (25321, 98690), (49345, 50642)]