129320840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:571

約数の個数: 128

約数和(自身を含む): 345600000

約数和(自身を除く): 216279160

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 31, 38, 40, 44, 55, 62, 76, 88, 95, 110, 124, 152, 155, 190, 209, 220, 248, 310, 341, 380, 418, 440, 499, 589, 620, 682, 760, 836, 998, 1045, 1178, 1240, 1364, 1672, 1705, 1996, 2090, 2356, 2495, 2728, 2945, 3410, 3992, 4180, 4712, 4990, 5489, 5890, 6479, 6820, 8360, 9481, 9980, 10978, 11780, 12958, 13640, 15469, 18962, 19960, 21956, 23560, 25916, 27445, 30938, 32395, 37924, 43912, 47405, 51832, 54890, 61876, 64790, 75848, 77345, 94810, 104291, 109780, 123752, 129580, 154690, 170159, 189620, 208582, 219560, 259160, 293911, 309380, 340318, 379240, 417164, 521455, 587822, 618760, 680636, 834328, 850795, 1042910, 1175644, 1361272, 1469555, 1701590, 2085820, 2351288, 2939110, 3233021, 3403180, 4171640, 5878220, 6466042, 6806360, 11756440, 12932084, 16165105, 25864168, 32330210, 64660420, 129320840]

約数ペア:

[(1, 129320840), (2, 64660420), (4, 32330210), (5, 25864168), (8, 16165105), (10, 12932084), (11, 11756440), (19, 6806360), (20, 6466042), (22, 5878220), (31, 4171640), (38, 3403180), (40, 3233021), (44, 2939110), (55, 2351288), (62, 2085820), (76, 1701590), (88, 1469555), (95, 1361272), (110, 1175644), (124, 1042910), (152, 850795), (155, 834328), (190, 680636), (209, 618760), (220, 587822), (248, 521455), (310, 417164), (341, 379240), (380, 340318), (418, 309380), (440, 293911), (499, 259160), (589, 219560), (620, 208582), (682, 189620), (760, 170159), (836, 154690), (998, 129580), (1045, 123752), (1178, 109780), (1240, 104291), (1364, 94810), (1672, 77345), (1705, 75848), (1996, 64790), (2090, 61876), (2356, 54890), (2495, 51832), (2728, 47405), (2945, 43912), (3410, 37924), (3992, 32395), (4180, 30938), (4712, 27445), (4990, 25916), (5489, 23560), (5890, 21956), (6479, 19960), (6820, 18962), (8360, 15469), (9481, 13640), (9980, 12958), (10978, 11780)]