2054920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 5443200

約数和(自身を除く): 3388280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 179, 205, 280, 287, 328, 358, 410, 574, 716, 820, 895, 1148, 1253, 1432, 1435, 1640, 1790, 2296, 2506, 2870, 3580, 5012, 5740, 6265, 7160, 7339, 10024, 11480, 12530, 14678, 25060, 29356, 36695, 50120, 51373, 58712, 73390, 102746, 146780, 205492, 256865, 293560, 410984, 513730, 1027460, 2054920]

約数ペア:

[(1, 2054920), (2, 1027460), (4, 513730), (5, 410984), (7, 293560), (8, 256865), (10, 205492), (14, 146780), (20, 102746), (28, 73390), (35, 58712), (40, 51373), (41, 50120), (56, 36695), (70, 29356), (82, 25060), (140, 14678), (164, 12530), (179, 11480), (205, 10024), (280, 7339), (287, 7160), (328, 6265), (358, 5740), (410, 5012), (574, 3580), (716, 2870), (820, 2506), (895, 2296), (1148, 1790), (1253, 1640), (1432, 1435)]