12012940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{313}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 26903520

約数和(自身を除く): 14890580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 101, 190, 202, 313, 380, 404, 505, 626, 1010, 1252, 1565, 1919, 2020, 3130, 3838, 5947, 6260, 7676, 9595, 11894, 19190, 23788, 29735, 31613, 38380, 59470, 63226, 118940, 126452, 158065, 316130, 600647, 632260, 1201294, 2402588, 3003235, 6006470, 12012940]

約数ペア:

[(1, 12012940), (2, 6006470), (4, 3003235), (5, 2402588), (10, 1201294), (19, 632260), (20, 600647), (38, 316130), (76, 158065), (95, 126452), (101, 118940), (190, 63226), (202, 59470), (313, 38380), (380, 31613), (404, 29735), (505, 23788), (626, 19190), (1010, 11894), (1252, 9595), (1565, 7676), (1919, 6260), (2020, 5947), (3130, 3838)]