171538900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1039}}^1$

素因数の和:1193

約数の個数: 72

約数和(自身を含む): 404418560

約数和(自身を除く): 232879660

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 127, 130, 254, 260, 325, 508, 635, 650, 1039, 1270, 1300, 1651, 2078, 2540, 3175, 3302, 4156, 5195, 6350, 6604, 8255, 10390, 12700, 13507, 16510, 20780, 25975, 27014, 33020, 41275, 51950, 54028, 67535, 82550, 103900, 131953, 135070, 165100, 263906, 270140, 337675, 527812, 659765, 675350, 1319530, 1350700, 1715389, 2639060, 3298825, 3430778, 6597650, 6861556, 8576945, 13195300, 17153890, 34307780, 42884725, 85769450, 171538900]

約数ペア:

[(1, 171538900), (2, 85769450), (4, 42884725), (5, 34307780), (10, 17153890), (13, 13195300), (20, 8576945), (25, 6861556), (26, 6597650), (50, 3430778), (52, 3298825), (65, 2639060), (100, 1715389), (127, 1350700), (130, 1319530), (254, 675350), (260, 659765), (325, 527812), (508, 337675), (635, 270140), (650, 263906), (1039, 165100), (1270, 135070), (1300, 131953), (1651, 103900), (2078, 82550), (2540, 67535), (3175, 54028), (3302, 51950), (4156, 41275), (5195, 33020), (6350, 27014), (6604, 25975), (8255, 20780), (10390, 16510), (12700, 13507)]