420295390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2212081}}^1$

素因数の和:2212107

約数の個数: 16

約数和(自身を含む): 796349520

約数和(自身を除く): 376054130

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 2212081, 4424162, 11060405, 22120810, 42029539, 84059078, 210147695, 420295390]

約数ペア:

[(1, 420295390), (2, 210147695), (5, 84059078), (10, 42029539), (19, 22120810), (38, 11060405), (95, 4424162), (190, 2212081)]