1297447820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{727}}^1$

素因数の和:963

約数の個数: 96

約数和(自身を含む): 3005009280

約数和(自身を除く): 1707561460

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 181, 290, 340, 362, 493, 580, 724, 727, 905, 986, 1454, 1810, 1972, 2465, 2908, 3077, 3620, 3635, 4930, 5249, 6154, 7270, 9860, 10498, 12308, 12359, 14540, 15385, 20996, 21083, 24718, 26245, 30770, 42166, 49436, 52490, 61540, 61795, 84332, 89233, 104980, 105415, 123590, 131587, 178466, 210830, 247180, 263174, 356932, 358411, 421660, 446165, 526348, 657935, 716822, 892330, 1315870, 1433644, 1784660, 1792055, 2236979, 2631740, 3584110, 3816023, 4473958, 7168220, 7632046, 8947916, 11184895, 15264092, 19080115, 22369790, 38160230, 44739580, 64872391, 76320460, 129744782, 259489564, 324361955, 648723910, 1297447820]

約数ペア:

[(1, 1297447820), (2, 648723910), (4, 324361955), (5, 259489564), (10, 129744782), (17, 76320460), (20, 64872391), (29, 44739580), (34, 38160230), (58, 22369790), (68, 19080115), (85, 15264092), (116, 11184895), (145, 8947916), (170, 7632046), (181, 7168220), (290, 4473958), (340, 3816023), (362, 3584110), (493, 2631740), (580, 2236979), (724, 1792055), (727, 1784660), (905, 1433644), (986, 1315870), (1454, 892330), (1810, 716822), (1972, 657935), (2465, 526348), (2908, 446165), (3077, 421660), (3620, 358411), (3635, 356932), (4930, 263174), (5249, 247180), (6154, 210830), (7270, 178466), (9860, 131587), (10498, 123590), (12308, 105415), (12359, 104980), (14540, 89233), (15385, 84332), (20996, 61795), (21083, 61540), (24718, 52490), (26245, 49436), (30770, 42166)]