79390000

素因数分解:

$2^4\times 5^4\times {\mathrm{17}}^1\times {\mathrm{467}}^1$

素因数の和:512

約数の個数: 100

約数和(自身を含む): 203953464

約数和(自身を除く): 124563464

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 125, 136, 170, 200, 250, 272, 340, 400, 425, 467, 500, 625, 680, 850, 934, 1000, 1250, 1360, 1700, 1868, 2000, 2125, 2335, 2500, 3400, 3736, 4250, 4670, 5000, 6800, 7472, 7939, 8500, 9340, 10000, 10625, 11675, 15878, 17000, 18680, 21250, 23350, 31756, 34000, 37360, 39695, 42500, 46700, 58375, 63512, 79390, 85000, 93400, 116750, 127024, 158780, 170000, 186800, 198475, 233500, 291875, 317560, 396950, 467000, 583750, 635120, 793900, 934000, 992375, 1167500, 1587800, 1984750, 2335000, 3175600, 3969500, 4670000, 4961875, 7939000, 9923750, 15878000, 19847500, 39695000, 79390000]

約数ペア:

[(1, 79390000), (2, 39695000), (4, 19847500), (5, 15878000), (8, 9923750), (10, 7939000), (16, 4961875), (17, 4670000), (20, 3969500), (25, 3175600), (34, 2335000), (40, 1984750), (50, 1587800), (68, 1167500), (80, 992375), (85, 934000), (100, 793900), (125, 635120), (136, 583750), (170, 467000), (200, 396950), (250, 317560), (272, 291875), (340, 233500), (400, 198475), (425, 186800), (467, 170000), (500, 158780), (625, 127024), (680, 116750), (850, 93400), (934, 85000), (1000, 79390), (1250, 63512), (1360, 58375), (1700, 46700), (1868, 42500), (2000, 39695), (2125, 37360), (2335, 34000), (2500, 31756), (3400, 23350), (3736, 21250), (4250, 18680), (4670, 17000), (5000, 15878), (6800, 11675), (7472, 10625), (7939, 10000), (8500, 9340)]