1308340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 3165120

約数和(自身を除く): 1856780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 313, 380, 418, 626, 836, 1045, 1252, 1565, 2090, 3130, 3443, 4180, 5947, 6260, 6886, 11894, 13772, 17215, 23788, 29735, 34430, 59470, 65417, 68860, 118940, 130834, 261668, 327085, 654170, 1308340]

約数ペア:

[(1, 1308340), (2, 654170), (4, 327085), (5, 261668), (10, 130834), (11, 118940), (19, 68860), (20, 65417), (22, 59470), (38, 34430), (44, 29735), (55, 23788), (76, 17215), (95, 13772), (110, 11894), (190, 6886), (209, 6260), (220, 5947), (313, 4180), (380, 3443), (418, 3130), (626, 2090), (836, 1565), (1045, 1252)]