7139422840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16225961}}^1$

素因数の和:16225983

約数の個数: 32

約数和(自身を含む): 17524038960

約数和(自身を除く): 10384616120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 16225961, 32451922, 64903844, 81129805, 129807688, 162259610, 178485571, 324519220, 356971142, 649038440, 713942284, 892427855, 1427884568, 1784855710, 3569711420, 7139422840]

約数ペア:

[(1, 7139422840), (2, 3569711420), (4, 1784855710), (5, 1427884568), (8, 892427855), (10, 713942284), (11, 649038440), (20, 356971142), (22, 324519220), (40, 178485571), (44, 162259610), (55, 129807688), (88, 81129805), (110, 64903844), (220, 32451922), (440, 16225961)]