212395080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:439

約数の個数: 128

約数和(自身を含む): 655361280

約数和(自身を除く): 442966200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 97, 120, 142, 194, 213, 257, 284, 291, 355, 388, 426, 485, 514, 568, 582, 710, 771, 776, 852, 970, 1028, 1065, 1164, 1285, 1420, 1455, 1542, 1704, 1940, 2056, 2130, 2328, 2570, 2840, 2910, 3084, 3855, 3880, 4260, 5140, 5820, 6168, 6887, 7710, 8520, 10280, 11640, 13774, 15420, 18247, 20661, 24929, 27548, 30840, 34435, 36494, 41322, 49858, 54741, 55096, 68870, 72988, 74787, 82644, 91235, 99716, 103305, 109482, 124645, 137740, 145976, 149574, 165288, 182470, 199432, 206610, 218964, 249290, 273705, 275480, 299148, 364940, 373935, 413220, 437928, 498580, 547410, 598296, 729880, 747870, 826440, 997160, 1094820, 1495740, 1769959, 2189640, 2991480, 3539918, 5309877, 7079836, 8849795, 10619754, 14159672, 17699590, 21239508, 26549385, 35399180, 42479016, 53098770, 70798360, 106197540, 212395080]

約数ペア:

[(1, 212395080), (2, 106197540), (3, 70798360), (4, 53098770), (5, 42479016), (6, 35399180), (8, 26549385), (10, 21239508), (12, 17699590), (15, 14159672), (20, 10619754), (24, 8849795), (30, 7079836), (40, 5309877), (60, 3539918), (71, 2991480), (97, 2189640), (120, 1769959), (142, 1495740), (194, 1094820), (213, 997160), (257, 826440), (284, 747870), (291, 729880), (355, 598296), (388, 547410), (426, 498580), (485, 437928), (514, 413220), (568, 373935), (582, 364940), (710, 299148), (771, 275480), (776, 273705), (852, 249290), (970, 218964), (1028, 206610), (1065, 199432), (1164, 182470), (1285, 165288), (1420, 149574), (1455, 145976), (1542, 137740), (1704, 124645), (1940, 109482), (2056, 103305), (2130, 99716), (2328, 91235), (2570, 82644), (2840, 74787), (2910, 72988), (3084, 68870), (3855, 55096), (3880, 54741), (4260, 49858), (5140, 41322), (5820, 36494), (6168, 34435), (6887, 30840), (7710, 27548), (8520, 24929), (10280, 20661), (11640, 18247), (13774, 15420)]