2019935240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1229}}^1\times {\mathrm{2417}}^1$

素因数の和:3674

約数の個数: 64

約数和(自身を含む): 4818106800

約数和(自身を除く): 2798171560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 1229, 2417, 2458, 4834, 4916, 6145, 9668, 9832, 12085, 12290, 19336, 20893, 24170, 24580, 41089, 41786, 48340, 49160, 82178, 83572, 96680, 104465, 164356, 167144, 205445, 208930, 328712, 410890, 417860, 821780, 835720, 1643560, 2970493, 5940986, 11881972, 14852465, 23763944, 29704930, 50498381, 59409860, 100996762, 118819720, 201993524, 252491905, 403987048, 504983810, 1009967620, 2019935240]

約数ペア:

[(1, 2019935240), (2, 1009967620), (4, 504983810), (5, 403987048), (8, 252491905), (10, 201993524), (17, 118819720), (20, 100996762), (34, 59409860), (40, 50498381), (68, 29704930), (85, 23763944), (136, 14852465), (170, 11881972), (340, 5940986), (680, 2970493), (1229, 1643560), (2417, 835720), (2458, 821780), (4834, 417860), (4916, 410890), (6145, 328712), (9668, 208930), (9832, 205445), (12085, 167144), (12290, 164356), (19336, 104465), (20893, 96680), (24170, 83572), (24580, 82178), (41089, 49160), (41786, 48340)]