2018382850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:257

約数の個数: 144

約数和(自身を含む): 4322223360

約数和(自身を除く): 2303840510

約数列:

[1, 2, 5, 10, 11, 22, 25, 41, 50, 55, 79, 82, 103, 110, 121, 158, 205, 206, 242, 275, 395, 410, 451, 515, 550, 605, 790, 869, 902, 1025, 1030, 1133, 1210, 1738, 1975, 2050, 2255, 2266, 2575, 3025, 3239, 3950, 4223, 4345, 4510, 4961, 5150, 5665, 6050, 6478, 8137, 8446, 8690, 9559, 9922, 11275, 11330, 12463, 16195, 16274, 19118, 21115, 21725, 22550, 24805, 24926, 28325, 32390, 35629, 40685, 42230, 43450, 46453, 47795, 49610, 56650, 62315, 71258, 80975, 81370, 89507, 92906, 95590, 105575, 124025, 124630, 161950, 178145, 179014, 203425, 211150, 232265, 238975, 248050, 311575, 333617, 356290, 391919, 406850, 447535, 464530, 477950, 510983, 623150, 667234, 783838, 890725, 895070, 984577, 1021966, 1161325, 1668085, 1781450, 1959595, 1969154, 2237675, 2322650, 2554915, 3336170, 3669787, 3919190, 4475350, 4922885, 5109830, 7339574, 8340425, 9797975, 9845770, 12774575, 16680850, 18348935, 19595950, 24614425, 25549150, 36697870, 40367657, 49228850, 80735314, 91744675, 183489350, 201838285, 403676570, 1009191425, 2018382850]

約数ペア:

[(1, 2018382850), (2, 1009191425), (5, 403676570), (10, 201838285), (11, 183489350), (22, 91744675), (25, 80735314), (41, 49228850), (50, 40367657), (55, 36697870), (79, 25549150), (82, 24614425), (103, 19595950), (110, 18348935), (121, 16680850), (158, 12774575), (205, 9845770), (206, 9797975), (242, 8340425), (275, 7339574), (395, 5109830), (410, 4922885), (451, 4475350), (515, 3919190), (550, 3669787), (605, 3336170), (790, 2554915), (869, 2322650), (902, 2237675), (1025, 1969154), (1030, 1959595), (1133, 1781450), (1210, 1668085), (1738, 1161325), (1975, 1021966), (2050, 984577), (2255, 895070), (2266, 890725), (2575, 783838), (3025, 667234), (3239, 623150), (3950, 510983), (4223, 477950), (4345, 464530), (4510, 447535), (4961, 406850), (5150, 391919), (5665, 356290), (6050, 333617), (6478, 311575), (8137, 248050), (8446, 238975), (8690, 232265), (9559, 211150), (9922, 203425), (11275, 179014), (11330, 178145), (12463, 161950), (16195, 124630), (16274, 124025), (19118, 105575), (21115, 95590), (21725, 92906), (22550, 89507), (24805, 81370), (24926, 80975), (28325, 71258), (32390, 62315), (35629, 56650), (40685, 49610), (42230, 47795), (43450, 46453)]