25270000

素因数分解:

$2^4\times 5^4\times 7^1\times {\mathrm{19}}^2$

素因数の和:73

約数の個数: 150

約数和(自身を含む): 73795128

約数和(自身を除く): 48525128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 35, 38, 40, 50, 56, 70, 76, 80, 95, 100, 112, 125, 133, 140, 152, 175, 190, 200, 250, 266, 280, 304, 350, 361, 380, 400, 475, 500, 532, 560, 625, 665, 700, 722, 760, 875, 950, 1000, 1064, 1250, 1330, 1400, 1444, 1520, 1750, 1805, 1900, 2000, 2128, 2375, 2500, 2527, 2660, 2800, 2888, 3325, 3500, 3610, 3800, 4375, 4750, 5000, 5054, 5320, 5776, 6650, 7000, 7220, 7600, 8750, 9025, 9500, 10000, 10108, 10640, 11875, 12635, 13300, 14000, 14440, 16625, 17500, 18050, 19000, 20216, 23750, 25270, 26600, 28880, 33250, 35000, 36100, 38000, 40432, 45125, 47500, 50540, 53200, 63175, 66500, 70000, 72200, 83125, 90250, 95000, 101080, 126350, 133000, 144400, 166250, 180500, 190000, 202160, 225625, 252700, 266000, 315875, 332500, 361000, 451250, 505400, 631750, 665000, 722000, 902500, 1010800, 1263500, 1330000, 1579375, 1805000, 2527000, 3158750, 3610000, 5054000, 6317500, 12635000, 25270000]

約数ペア:

[(1, 25270000), (2, 12635000), (4, 6317500), (5, 5054000), (7, 3610000), (8, 3158750), (10, 2527000), (14, 1805000), (16, 1579375), (19, 1330000), (20, 1263500), (25, 1010800), (28, 902500), (35, 722000), (38, 665000), (40, 631750), (50, 505400), (56, 451250), (70, 361000), (76, 332500), (80, 315875), (95, 266000), (100, 252700), (112, 225625), (125, 202160), (133, 190000), (140, 180500), (152, 166250), (175, 144400), (190, 133000), (200, 126350), (250, 101080), (266, 95000), (280, 90250), (304, 83125), (350, 72200), (361, 70000), (380, 66500), (400, 63175), (475, 53200), (500, 50540), (532, 47500), (560, 45125), (625, 40432), (665, 38000), (700, 36100), (722, 35000), (760, 33250), (875, 28880), (950, 26600), (1000, 25270), (1064, 23750), (1250, 20216), (1330, 19000), (1400, 18050), (1444, 17500), (1520, 16625), (1750, 14440), (1805, 14000), (1900, 13300), (2000, 12635), (2128, 11875), (2375, 10640), (2500, 10108), (2527, 10000), (2660, 9500), (2800, 9025), (2888, 8750), (3325, 7600), (3500, 7220), (3610, 7000), (3800, 6650), (4375, 5776), (4750, 5320), (5000, 5054)]