242851540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{639083}}^1$

素因数の和:639111

約数の個数: 24

約数和(自身を含む): 536830560

約数和(自身を除く): 293979020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 639083, 1278166, 2556332, 3195415, 6390830, 12142577, 12781660, 24285154, 48570308, 60712885, 121425770, 242851540]

約数ペア:

[(1, 242851540), (2, 121425770), (4, 60712885), (5, 48570308), (10, 24285154), (19, 12781660), (20, 12142577), (38, 6390830), (76, 3195415), (95, 2556332), (190, 1278166), (380, 639083)]