2640468

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 6681920

約数和(自身を除く): 4041452

約数列:

[1, 2, 3, 4, 6, 12, 19, 37, 38, 57, 74, 76, 111, 114, 148, 222, 228, 313, 444, 626, 703, 939, 1252, 1406, 1878, 2109, 2812, 3756, 4218, 5947, 8436, 11581, 11894, 17841, 23162, 23788, 34743, 35682, 46324, 69486, 71364, 138972, 220039, 440078, 660117, 880156, 1320234, 2640468]

約数ペア:

[(1, 2640468), (2, 1320234), (3, 880156), (4, 660117), (6, 440078), (12, 220039), (19, 138972), (37, 71364), (38, 69486), (57, 46324), (74, 35682), (76, 34743), (111, 23788), (114, 23162), (148, 17841), (222, 11894), (228, 11581), (313, 8436), (444, 5947), (626, 4218), (703, 3756), (939, 2812), (1252, 2109), (1406, 1878)]