28520310

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:398

約数の個数: 128

約数和(自身を含む): 87220224

約数和(自身を除く): 58699914

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 31, 35, 39, 42, 62, 65, 70, 78, 91, 93, 105, 130, 155, 182, 186, 195, 210, 217, 273, 310, 337, 390, 403, 434, 455, 465, 546, 651, 674, 806, 910, 930, 1011, 1085, 1209, 1302, 1365, 1685, 2015, 2022, 2170, 2359, 2418, 2730, 2821, 3255, 3370, 4030, 4381, 4718, 5055, 5642, 6045, 6510, 7077, 8463, 8762, 10110, 10447, 11795, 12090, 13143, 14105, 14154, 16926, 20894, 21905, 23590, 26286, 28210, 30667, 31341, 35385, 42315, 43810, 52235, 61334, 62682, 65715, 70770, 73129, 84630, 92001, 104470, 131430, 135811, 146258, 153335, 156705, 184002, 219387, 271622, 306670, 313410, 365645, 407433, 438774, 460005, 679055, 731290, 814866, 920010, 950677, 1096935, 1358110, 1901354, 2037165, 2193870, 2852031, 4074330, 4753385, 5704062, 9506770, 14260155, 28520310]

約数ペア:

[(1, 28520310), (2, 14260155), (3, 9506770), (5, 5704062), (6, 4753385), (7, 4074330), (10, 2852031), (13, 2193870), (14, 2037165), (15, 1901354), (21, 1358110), (26, 1096935), (30, 950677), (31, 920010), (35, 814866), (39, 731290), (42, 679055), (62, 460005), (65, 438774), (70, 407433), (78, 365645), (91, 313410), (93, 306670), (105, 271622), (130, 219387), (155, 184002), (182, 156705), (186, 153335), (195, 146258), (210, 135811), (217, 131430), (273, 104470), (310, 92001), (337, 84630), (390, 73129), (403, 70770), (434, 65715), (455, 62682), (465, 61334), (546, 52235), (651, 43810), (674, 42315), (806, 35385), (910, 31341), (930, 30667), (1011, 28210), (1085, 26286), (1209, 23590), (1302, 21905), (1365, 20894), (1685, 16926), (2015, 14154), (2022, 14105), (2170, 13143), (2359, 12090), (2418, 11795), (2730, 10447), (2821, 10110), (3255, 8762), (3370, 8463), (4030, 7077), (4381, 6510), (4718, 6045), (5055, 5642)]