2103996500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{247529}}^1$

素因数の和:247565

約数の個数: 48

約数和(自身を含む): 4865449680

約数和(自身を除く): 2761453180

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 340, 425, 500, 850, 1700, 2125, 4250, 8500, 247529, 495058, 990116, 1237645, 2475290, 4207993, 4950580, 6188225, 8415986, 12376450, 16831972, 21039965, 24752900, 30941125, 42079930, 61882250, 84159860, 105199825, 123764500, 210399650, 420799300, 525999125, 1051998250, 2103996500]

約数ペア:

[(1, 2103996500), (2, 1051998250), (4, 525999125), (5, 420799300), (10, 210399650), (17, 123764500), (20, 105199825), (25, 84159860), (34, 61882250), (50, 42079930), (68, 30941125), (85, 24752900), (100, 21039965), (125, 16831972), (170, 12376450), (250, 8415986), (340, 6188225), (425, 4950580), (500, 4207993), (850, 2475290), (1700, 1237645), (2125, 990116), (4250, 495058), (8500, 247529)]