1320392004

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{251791}}^1$

素因数の和:251840

約数の個数: 48

約数和(自身を含む): 3384084480

約数和(自身を除く): 2063692476

約数列:

[1, 2, 3, 4, 6, 12, 19, 23, 38, 46, 57, 69, 76, 92, 114, 138, 228, 276, 437, 874, 1311, 1748, 2622, 5244, 251791, 503582, 755373, 1007164, 1510746, 3021492, 4784029, 5791193, 9568058, 11582386, 14352087, 17373579, 19136116, 23164772, 28704174, 34747158, 57408348, 69494316, 110032667, 220065334, 330098001, 440130668, 660196002, 1320392004]

約数ペア:

[(1, 1320392004), (2, 660196002), (3, 440130668), (4, 330098001), (6, 220065334), (12, 110032667), (19, 69494316), (23, 57408348), (38, 34747158), (46, 28704174), (57, 23164772), (69, 19136116), (76, 17373579), (92, 14352087), (114, 11582386), (138, 9568058), (228, 5791193), (276, 4784029), (437, 3021492), (874, 1510746), (1311, 1007164), (1748, 755373), (2622, 503582), (5244, 251791)]