838316050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{311}}^1$

素因数の和:389

約数の個数: 144

約数和(自身を含む): 1911574080

約数和(自身を除く): 1073258030

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 29, 50, 55, 58, 65, 110, 130, 143, 145, 169, 275, 286, 290, 311, 319, 325, 338, 377, 550, 622, 638, 650, 715, 725, 754, 845, 1430, 1450, 1555, 1595, 1690, 1859, 1885, 3110, 3190, 3421, 3575, 3718, 3770, 4043, 4147, 4225, 4901, 6842, 7150, 7775, 7975, 8086, 8294, 8450, 9019, 9295, 9425, 9802, 15550, 15950, 17105, 18038, 18590, 18850, 20215, 20735, 24505, 34210, 40430, 41470, 44473, 45095, 46475, 49010, 52559, 53911, 85525, 88946, 90190, 92950, 99209, 101075, 103675, 105118, 107822, 117247, 122525, 171050, 198418, 202150, 207350, 222365, 225475, 234494, 245050, 262795, 269555, 444730, 450950, 496045, 525590, 539110, 578149, 586235, 992090, 1111825, 1156298, 1172470, 1289717, 1313975, 1347775, 1524211, 2223650, 2480225, 2579434, 2627950, 2695550, 2890745, 2931175, 3048422, 4960450, 5781490, 5862350, 6448585, 7621055, 12897170, 14453725, 15242110, 16766321, 28907450, 32242925, 33532642, 38105275, 64485850, 76210550, 83831605, 167663210, 419158025, 838316050]

約数ペア:

[(1, 838316050), (2, 419158025), (5, 167663210), (10, 83831605), (11, 76210550), (13, 64485850), (22, 38105275), (25, 33532642), (26, 32242925), (29, 28907450), (50, 16766321), (55, 15242110), (58, 14453725), (65, 12897170), (110, 7621055), (130, 6448585), (143, 5862350), (145, 5781490), (169, 4960450), (275, 3048422), (286, 2931175), (290, 2890745), (311, 2695550), (319, 2627950), (325, 2579434), (338, 2480225), (377, 2223650), (550, 1524211), (622, 1347775), (638, 1313975), (650, 1289717), (715, 1172470), (725, 1156298), (754, 1111825), (845, 992090), (1430, 586235), (1450, 578149), (1555, 539110), (1595, 525590), (1690, 496045), (1859, 450950), (1885, 444730), (3110, 269555), (3190, 262795), (3421, 245050), (3575, 234494), (3718, 225475), (3770, 222365), (4043, 207350), (4147, 202150), (4225, 198418), (4901, 171050), (6842, 122525), (7150, 117247), (7775, 107822), (7975, 105118), (8086, 103675), (8294, 101075), (8450, 99209), (9019, 92950), (9295, 90190), (9425, 88946), (9802, 85525), (15550, 53911), (15950, 52559), (17105, 49010), (18038, 46475), (18590, 45095), (18850, 44473), (20215, 41470), (20735, 40430), (24505, 34210)]