6457940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 14394240

約数和(自身を除く): 7936300

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 101, 115, 139, 202, 230, 278, 404, 460, 505, 556, 695, 1010, 1390, 2020, 2323, 2780, 3197, 4646, 6394, 9292, 11615, 12788, 14039, 15985, 23230, 28078, 31970, 46460, 56156, 63940, 70195, 140390, 280780, 322897, 645794, 1291588, 1614485, 3228970, 6457940]

約数ペア:

[(1, 6457940), (2, 3228970), (4, 1614485), (5, 1291588), (10, 645794), (20, 322897), (23, 280780), (46, 140390), (92, 70195), (101, 63940), (115, 56156), (139, 46460), (202, 31970), (230, 28078), (278, 23230), (404, 15985), (460, 14039), (505, 12788), (556, 11615), (695, 9292), (1010, 6394), (1390, 4646), (2020, 3197), (2323, 2780)]