2019228680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{175891}}^1$

素因数の和:175950

約数の個数: 64

約数和(自身を含む): 5318974080

約数和(自身を除く): 3299745400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2296, 2870, 5740, 11480, 175891, 351782, 703564, 879455, 1231237, 1407128, 1758910, 2462474, 3517820, 4924948, 6156185, 7035640, 7211531, 9849896, 12312370, 14423062, 24624740, 28846124, 36057655, 49249480, 50480717, 57692248, 72115310, 100961434, 144230620, 201922868, 252403585, 288461240, 403845736, 504807170, 1009614340, 2019228680]

約数ペア:

[(1, 2019228680), (2, 1009614340), (4, 504807170), (5, 403845736), (7, 288461240), (8, 252403585), (10, 201922868), (14, 144230620), (20, 100961434), (28, 72115310), (35, 57692248), (40, 50480717), (41, 49249480), (56, 36057655), (70, 28846124), (82, 24624740), (140, 14423062), (164, 12312370), (205, 9849896), (280, 7211531), (287, 7035640), (328, 6156185), (410, 4924948), (574, 3517820), (820, 2462474), (1148, 1758910), (1435, 1407128), (1640, 1231237), (2296, 879455), (2870, 703564), (5740, 351782), (11480, 175891)]