138130780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{406267}}^1$

素因数の和:406293

約数の個数: 24

約数和(自身を含む): 307138608

約数和(自身を除く): 169007828

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 406267, 812534, 1625068, 2031335, 4062670, 6906539, 8125340, 13813078, 27626156, 34532695, 69065390, 138130780]

約数ペア:

[(1, 138130780), (2, 69065390), (4, 34532695), (5, 27626156), (10, 13813078), (17, 8125340), (20, 6906539), (34, 4062670), (68, 2031335), (85, 1625068), (170, 812534), (340, 406267)]