243048380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{639601}}^1$

素因数の和:639629

約数の個数: 24

約数和(自身を含む): 537265680

約数和(自身を除く): 294217300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 639601, 1279202, 2558404, 3198005, 6396010, 12152419, 12792020, 24304838, 48609676, 60762095, 121524190, 243048380]

約数ペア:

[(1, 243048380), (2, 121524190), (4, 60762095), (5, 48609676), (10, 24304838), (19, 12792020), (20, 12152419), (38, 6396010), (76, 3198005), (95, 2558404), (190, 1279202), (380, 639601)]