78812380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{207401}}^1$

素因数の和:207429

約数の個数: 24

約数和(自身を含む): 174217680

約数和(自身を除く): 95405300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 207401, 414802, 829604, 1037005, 2074010, 3940619, 4148020, 7881238, 15762476, 19703095, 39406190, 78812380]

約数ペア:

[(1, 78812380), (2, 39406190), (4, 19703095), (5, 15762476), (10, 7881238), (19, 4148020), (20, 3940619), (38, 2074010), (76, 1037005), (95, 829604), (190, 414802), (380, 207401)]