263159260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{144593}}^1$

素因数の和:144622

約数の個数: 48

約数和(自身を含む): 680170176

約数和(自身を除く): 417010916

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 144593, 289186, 578372, 722965, 1012151, 1445930, 1879709, 2024302, 2891860, 3759418, 4048604, 5060755, 7518836, 9398545, 10121510, 13157963, 18797090, 20243020, 26315926, 37594180, 52631852, 65789815, 131579630, 263159260]

約数ペア:

[(1, 263159260), (2, 131579630), (4, 65789815), (5, 52631852), (7, 37594180), (10, 26315926), (13, 20243020), (14, 18797090), (20, 13157963), (26, 10121510), (28, 9398545), (35, 7518836), (52, 5060755), (65, 4048604), (70, 3759418), (91, 2891860), (130, 2024302), (140, 1879709), (182, 1445930), (260, 1012151), (364, 722965), (455, 578372), (910, 289186), (1820, 144593)]