1680852100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{101}}^1\times {\mathrm{461}}^1$

素因数の和:614

約数の個数: 108

約数和(自身を含む): 3896070948

約数和(自身を除く): 2215218848

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 101, 190, 202, 361, 380, 404, 461, 475, 505, 722, 922, 950, 1010, 1444, 1805, 1844, 1900, 1919, 2020, 2305, 2525, 3610, 3838, 4610, 5050, 7220, 7676, 8759, 9025, 9220, 9595, 10100, 11525, 17518, 18050, 19190, 23050, 35036, 36100, 36461, 38380, 43795, 46100, 46561, 47975, 72922, 87590, 93122, 95950, 145844, 166421, 175180, 182305, 186244, 191900, 218975, 232805, 332842, 364610, 437950, 465610, 665684, 729220, 832105, 875900, 884659, 911525, 931220, 1164025, 1664210, 1769318, 1823050, 2328050, 3328420, 3538636, 3646100, 4160525, 4423295, 4656100, 8321050, 8846590, 16642100, 16808521, 17693180, 22116475, 33617042, 44232950, 67234084, 84042605, 88465900, 168085210, 336170420, 420213025, 840426050, 1680852100]

約数ペア:

[(1, 1680852100), (2, 840426050), (4, 420213025), (5, 336170420), (10, 168085210), (19, 88465900), (20, 84042605), (25, 67234084), (38, 44232950), (50, 33617042), (76, 22116475), (95, 17693180), (100, 16808521), (101, 16642100), (190, 8846590), (202, 8321050), (361, 4656100), (380, 4423295), (404, 4160525), (461, 3646100), (475, 3538636), (505, 3328420), (722, 2328050), (922, 1823050), (950, 1769318), (1010, 1664210), (1444, 1164025), (1805, 931220), (1844, 911525), (1900, 884659), (1919, 875900), (2020, 832105), (2305, 729220), (2525, 665684), (3610, 465610), (3838, 437950), (4610, 364610), (5050, 332842), (7220, 232805), (7676, 218975), (8759, 191900), (9025, 186244), (9220, 182305), (9595, 175180), (10100, 166421), (11525, 145844), (17518, 95950), (18050, 93122), (19190, 87590), (23050, 72922), (35036, 47975), (36100, 46561), (36461, 46100), (38380, 43795)]