1251880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 3421440

約数和(自身を除く): 2169560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 263, 280, 340, 476, 526, 595, 680, 952, 1052, 1190, 1315, 1841, 2104, 2380, 2630, 3682, 4471, 4760, 5260, 7364, 8942, 9205, 10520, 14728, 17884, 18410, 22355, 31297, 35768, 36820, 44710, 62594, 73640, 89420, 125188, 156485, 178840, 250376, 312970, 625940, 1251880]

約数ペア:

[(1, 1251880), (2, 625940), (4, 312970), (5, 250376), (7, 178840), (8, 156485), (10, 125188), (14, 89420), (17, 73640), (20, 62594), (28, 44710), (34, 36820), (35, 35768), (40, 31297), (56, 22355), (68, 18410), (70, 17884), (85, 14728), (119, 10520), (136, 9205), (140, 8942), (170, 7364), (238, 5260), (263, 4760), (280, 4471), (340, 3682), (476, 2630), (526, 2380), (595, 2104), (680, 1841), (952, 1315), (1052, 1190)]