2901400

素因数分解:

$2^3\times 5^2\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 6863400

約数和(自身を除く): 3962000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 89, 100, 163, 178, 200, 326, 356, 445, 652, 712, 815, 890, 1304, 1630, 1780, 2225, 3260, 3560, 4075, 4450, 6520, 8150, 8900, 14507, 16300, 17800, 29014, 32600, 58028, 72535, 116056, 145070, 290140, 362675, 580280, 725350, 1450700, 2901400]

約数ペア:

[(1, 2901400), (2, 1450700), (4, 725350), (5, 580280), (8, 362675), (10, 290140), (20, 145070), (25, 116056), (40, 72535), (50, 58028), (89, 32600), (100, 29014), (163, 17800), (178, 16300), (200, 14507), (326, 8900), (356, 8150), (445, 6520), (652, 4450), (712, 4075), (815, 3560), (890, 3260), (1304, 2225), (1630, 1780)]