7968620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1249}}^1$

素因数の和:1298

約数の個数: 48

約数和(自身を含む): 18900000

約数和(自身を除く): 10931380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1249, 1276, 1595, 2498, 3190, 4996, 6245, 6380, 12490, 13739, 24980, 27478, 36221, 54956, 68695, 72442, 137390, 144884, 181105, 274780, 362210, 398431, 724420, 796862, 1593724, 1992155, 3984310, 7968620]

約数ペア:

[(1, 7968620), (2, 3984310), (4, 1992155), (5, 1593724), (10, 796862), (11, 724420), (20, 398431), (22, 362210), (29, 274780), (44, 181105), (55, 144884), (58, 137390), (110, 72442), (116, 68695), (145, 54956), (220, 36221), (290, 27478), (319, 24980), (580, 13739), (638, 12490), (1249, 6380), (1276, 6245), (1595, 4996), (2498, 3190)]