394345820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{937}}^1\times {\mathrm{1913}}^1$

素因数の和:2870

約数の個数: 48

約数和(自身を含む): 904847328

約数和(自身を除く): 510501508

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 937, 1874, 1913, 3748, 3826, 4685, 7652, 9370, 9565, 10307, 18740, 19130, 20614, 21043, 38260, 41228, 42086, 51535, 84172, 103070, 105215, 206140, 210430, 420860, 1792481, 3584962, 7169924, 8962405, 17924810, 19717291, 35849620, 39434582, 78869164, 98586455, 197172910, 394345820]

約数ペア:

[(1, 394345820), (2, 197172910), (4, 98586455), (5, 78869164), (10, 39434582), (11, 35849620), (20, 19717291), (22, 17924810), (44, 8962405), (55, 7169924), (110, 3584962), (220, 1792481), (937, 420860), (1874, 210430), (1913, 206140), (3748, 105215), (3826, 103070), (4685, 84172), (7652, 51535), (9370, 42086), (9565, 41228), (10307, 38260), (18740, 21043), (19130, 20614)]