201213020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{20407}}^1$

素因数の和:20462

約数の個数: 48

約数和(自身を含む): 462853440

約数和(自身を除く): 261640420

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1972, 2465, 4930, 9860, 20407, 40814, 81628, 102035, 204070, 346919, 408140, 591803, 693838, 1183606, 1387676, 1734595, 2367212, 2959015, 3469190, 5918030, 6938380, 10060651, 11836060, 20121302, 40242604, 50303255, 100606510, 201213020]

約数ペア:

[(1, 201213020), (2, 100606510), (4, 50303255), (5, 40242604), (10, 20121302), (17, 11836060), (20, 10060651), (29, 6938380), (34, 5918030), (58, 3469190), (68, 2959015), (85, 2367212), (116, 1734595), (145, 1387676), (170, 1183606), (290, 693838), (340, 591803), (493, 408140), (580, 346919), (986, 204070), (1972, 102035), (2465, 81628), (4930, 40814), (9860, 20407)]