254396240

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:234

約数の個数: 160

約数和(自身を含む): 704716800

約数和(自身を除く): 450320560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 73, 80, 98, 112, 127, 140, 146, 196, 245, 254, 280, 292, 343, 365, 392, 490, 508, 511, 560, 584, 635, 686, 730, 784, 889, 980, 1016, 1022, 1168, 1270, 1372, 1460, 1715, 1778, 1960, 2032, 2044, 2540, 2555, 2744, 2920, 3430, 3556, 3577, 3920, 4088, 4445, 5080, 5110, 5488, 5840, 6223, 6860, 7112, 7154, 8176, 8890, 9271, 10160, 10220, 12446, 13720, 14224, 14308, 17780, 17885, 18542, 20440, 24892, 25039, 27440, 28616, 31115, 35560, 35770, 37084, 40880, 43561, 46355, 49784, 50078, 57232, 62230, 64897, 71120, 71540, 74168, 87122, 92710, 99568, 100156, 124460, 125195, 129794, 143080, 148336, 174244, 185420, 200312, 217805, 248920, 250390, 259588, 286160, 324485, 348488, 370840, 400624, 435610, 454279, 497840, 500780, 519176, 648970, 696976, 741680, 871220, 908558, 1001560, 1038352, 1297940, 1742440, 1817116, 2003120, 2271395, 2595880, 3179953, 3484880, 3634232, 4542790, 5191760, 6359906, 7268464, 9085580, 12719812, 15899765, 18171160, 25439624, 31799530, 36342320, 50879248, 63599060, 127198120, 254396240]

約数ペア:

[(1, 254396240), (2, 127198120), (4, 63599060), (5, 50879248), (7, 36342320), (8, 31799530), (10, 25439624), (14, 18171160), (16, 15899765), (20, 12719812), (28, 9085580), (35, 7268464), (40, 6359906), (49, 5191760), (56, 4542790), (70, 3634232), (73, 3484880), (80, 3179953), (98, 2595880), (112, 2271395), (127, 2003120), (140, 1817116), (146, 1742440), (196, 1297940), (245, 1038352), (254, 1001560), (280, 908558), (292, 871220), (343, 741680), (365, 696976), (392, 648970), (490, 519176), (508, 500780), (511, 497840), (560, 454279), (584, 435610), (635, 400624), (686, 370840), (730, 348488), (784, 324485), (889, 286160), (980, 259588), (1016, 250390), (1022, 248920), (1168, 217805), (1270, 200312), (1372, 185420), (1460, 174244), (1715, 148336), (1778, 143080), (1960, 129794), (2032, 125195), (2044, 124460), (2540, 100156), (2555, 99568), (2744, 92710), (2920, 87122), (3430, 74168), (3556, 71540), (3577, 71120), (3920, 64897), (4088, 62230), (4445, 57232), (5080, 50078), (5110, 49784), (5488, 46355), (5840, 43561), (6223, 40880), (6860, 37084), (7112, 35770), (7154, 35560), (8176, 31115), (8890, 28616), (9271, 27440), (10160, 25039), (10220, 24892), (12446, 20440), (13720, 18542), (14224, 17885), (14308, 17780)]