890657300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{337}}^1$

素因数の和:490

約数の個数: 144

約数和(自身を含む): 2217983040

約数和(自身を除く): 1327325740

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 107, 130, 190, 214, 247, 260, 325, 337, 380, 428, 475, 494, 535, 650, 674, 950, 988, 1070, 1235, 1300, 1348, 1391, 1685, 1900, 2033, 2140, 2470, 2675, 2782, 3370, 4066, 4381, 4940, 5350, 5564, 6175, 6403, 6740, 6955, 8132, 8425, 8762, 10165, 10700, 12350, 12806, 13910, 16850, 17524, 20330, 21905, 24700, 25612, 26429, 27820, 32015, 33700, 34775, 36059, 40660, 43810, 50825, 52858, 64030, 69550, 72118, 83239, 87620, 101650, 105716, 109525, 128060, 132145, 139100, 144236, 160075, 166478, 180295, 203300, 219050, 264290, 320150, 332956, 360590, 416195, 438100, 468767, 528580, 640300, 660725, 685121, 721180, 832390, 901475, 937534, 1321450, 1370242, 1664780, 1802950, 1875068, 2080975, 2343835, 2642900, 2740484, 3425605, 3605900, 4161950, 4687670, 6851210, 8323900, 8906573, 9375340, 11719175, 13702420, 17128025, 17813146, 23438350, 34256050, 35626292, 44532865, 46876700, 68512100, 89065730, 178131460, 222664325, 445328650, 890657300]

約数ペア:

[(1, 890657300), (2, 445328650), (4, 222664325), (5, 178131460), (10, 89065730), (13, 68512100), (19, 46876700), (20, 44532865), (25, 35626292), (26, 34256050), (38, 23438350), (50, 17813146), (52, 17128025), (65, 13702420), (76, 11719175), (95, 9375340), (100, 8906573), (107, 8323900), (130, 6851210), (190, 4687670), (214, 4161950), (247, 3605900), (260, 3425605), (325, 2740484), (337, 2642900), (380, 2343835), (428, 2080975), (475, 1875068), (494, 1802950), (535, 1664780), (650, 1370242), (674, 1321450), (950, 937534), (988, 901475), (1070, 832390), (1235, 721180), (1300, 685121), (1348, 660725), (1391, 640300), (1685, 528580), (1900, 468767), (2033, 438100), (2140, 416195), (2470, 360590), (2675, 332956), (2782, 320150), (3370, 264290), (4066, 219050), (4381, 203300), (4940, 180295), (5350, 166478), (5564, 160075), (6175, 144236), (6403, 139100), (6740, 132145), (6955, 128060), (8132, 109525), (8425, 105716), (8762, 101650), (10165, 87620), (10700, 83239), (12350, 72118), (12806, 69550), (13910, 64030), (16850, 52858), (17524, 50825), (20330, 43810), (21905, 40660), (24700, 36059), (25612, 34775), (26429, 33700), (27820, 32015)]