200874220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{719}}^1$

素因数の和:1018

約数の個数: 48

約数和(自身を含む): 431222400

約数和(自身を除く): 230348180

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 229, 244, 305, 458, 610, 719, 916, 1145, 1220, 1438, 2290, 2876, 3595, 4580, 7190, 13969, 14380, 27938, 43859, 55876, 69845, 87718, 139690, 164651, 175436, 219295, 279380, 329302, 438590, 658604, 823255, 877180, 1646510, 3293020, 10043711, 20087422, 40174844, 50218555, 100437110, 200874220]

約数ペア:

[(1, 200874220), (2, 100437110), (4, 50218555), (5, 40174844), (10, 20087422), (20, 10043711), (61, 3293020), (122, 1646510), (229, 877180), (244, 823255), (305, 658604), (458, 438590), (610, 329302), (719, 279380), (916, 219295), (1145, 175436), (1220, 164651), (1438, 139690), (2290, 87718), (2876, 69845), (3595, 55876), (4580, 43859), (7190, 27938), (13969, 14380)]