251145220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{569}}^1\times {\mathrm{761}}^1$

素因数の和:1368

約数の個数: 48

約数和(自身を含む): 547268400

約数和(自身を除く): 296123180

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 569, 580, 761, 1138, 1522, 2276, 2845, 3044, 3805, 5690, 7610, 11380, 15220, 16501, 22069, 33002, 44138, 66004, 82505, 88276, 110345, 165010, 220690, 330020, 433009, 441380, 866018, 1732036, 2165045, 4330090, 8660180, 12557261, 25114522, 50229044, 62786305, 125572610, 251145220]

約数ペア:

[(1, 251145220), (2, 125572610), (4, 62786305), (5, 50229044), (10, 25114522), (20, 12557261), (29, 8660180), (58, 4330090), (116, 2165045), (145, 1732036), (290, 866018), (569, 441380), (580, 433009), (761, 330020), (1138, 220690), (1522, 165010), (2276, 110345), (2845, 88276), (3044, 82505), (3805, 66004), (5690, 44138), (7610, 33002), (11380, 22069), (15220, 16501)]