39191900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:156

約数の個数: 108

約数和(自身を含む): 96972960

約数和(自身を除く): 57781060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 41, 44, 50, 55, 79, 82, 100, 110, 121, 158, 164, 205, 220, 242, 275, 316, 395, 410, 451, 484, 550, 605, 790, 820, 869, 902, 1025, 1100, 1210, 1580, 1738, 1804, 1975, 2050, 2255, 2420, 3025, 3239, 3476, 3950, 4100, 4345, 4510, 4961, 6050, 6478, 7900, 8690, 9020, 9559, 9922, 11275, 12100, 12956, 16195, 17380, 19118, 19844, 21725, 22550, 24805, 32390, 35629, 38236, 43450, 45100, 47795, 49610, 64780, 71258, 80975, 86900, 95590, 99220, 124025, 142516, 161950, 178145, 191180, 238975, 248050, 323900, 356290, 391919, 477950, 496100, 712580, 783838, 890725, 955900, 1567676, 1781450, 1959595, 3562900, 3919190, 7838380, 9797975, 19595950, 39191900]

約数ペア:

[(1, 39191900), (2, 19595950), (4, 9797975), (5, 7838380), (10, 3919190), (11, 3562900), (20, 1959595), (22, 1781450), (25, 1567676), (41, 955900), (44, 890725), (50, 783838), (55, 712580), (79, 496100), (82, 477950), (100, 391919), (110, 356290), (121, 323900), (158, 248050), (164, 238975), (205, 191180), (220, 178145), (242, 161950), (275, 142516), (316, 124025), (395, 99220), (410, 95590), (451, 86900), (484, 80975), (550, 71258), (605, 64780), (790, 49610), (820, 47795), (869, 45100), (902, 43450), (1025, 38236), (1100, 35629), (1210, 32390), (1580, 24805), (1738, 22550), (1804, 21725), (1975, 19844), (2050, 19118), (2255, 17380), (2420, 16195), (3025, 12956), (3239, 12100), (3476, 11275), (3950, 9922), (4100, 9559), (4345, 9020), (4510, 8690), (4961, 7900), (6050, 6478)]