813103620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1935961}}^1$

素因数の和:1935980

約数の個数: 48

約数和(自身を含む): 2601932928

約数和(自身を除く): 1788829308

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1935961, 3871922, 5807883, 7743844, 9679805, 11615766, 13551727, 19359610, 23231532, 27103454, 29039415, 38719220, 40655181, 54206908, 58078830, 67758635, 81310362, 116157660, 135517270, 162620724, 203275905, 271034540, 406551810, 813103620]

約数ペア:

[(1, 813103620), (2, 406551810), (3, 271034540), (4, 203275905), (5, 162620724), (6, 135517270), (7, 116157660), (10, 81310362), (12, 67758635), (14, 58078830), (15, 54206908), (20, 40655181), (21, 38719220), (28, 29039415), (30, 27103454), (35, 23231532), (42, 19359610), (60, 13551727), (70, 11615766), (84, 9679805), (105, 7743844), (140, 5807883), (210, 3871922), (420, 1935961)]