28228130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 61585920

約数和(自身を除く): 33357790

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 89, 115, 161, 178, 197, 230, 322, 394, 445, 623, 805, 890, 985, 1246, 1379, 1610, 1970, 2047, 2758, 3115, 4094, 4531, 6230, 6895, 9062, 10235, 13790, 14329, 17533, 20470, 22655, 28658, 31717, 35066, 45310, 63434, 71645, 87665, 122731, 143290, 158585, 175330, 245462, 317170, 403259, 613655, 806518, 1227310, 2016295, 2822813, 4032590, 5645626, 14114065, 28228130]

約数ペア:

[(1, 28228130), (2, 14114065), (5, 5645626), (7, 4032590), (10, 2822813), (14, 2016295), (23, 1227310), (35, 806518), (46, 613655), (70, 403259), (89, 317170), (115, 245462), (161, 175330), (178, 158585), (197, 143290), (230, 122731), (322, 87665), (394, 71645), (445, 63434), (623, 45310), (805, 35066), (890, 31717), (985, 28658), (1246, 22655), (1379, 20470), (1610, 17533), (1970, 14329), (2047, 13790), (2758, 10235), (3115, 9062), (4094, 6895), (4531, 6230)]