515620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 1290240

約数和(自身を除く): 774620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 127, 140, 145, 203, 254, 290, 406, 508, 580, 635, 812, 889, 1015, 1270, 1778, 2030, 2540, 3556, 3683, 4060, 4445, 7366, 8890, 14732, 17780, 18415, 25781, 36830, 51562, 73660, 103124, 128905, 257810, 515620]

約数ペア:

[(1, 515620), (2, 257810), (4, 128905), (5, 103124), (7, 73660), (10, 51562), (14, 36830), (20, 25781), (28, 18415), (29, 17780), (35, 14732), (58, 8890), (70, 7366), (116, 4445), (127, 4060), (140, 3683), (145, 3556), (203, 2540), (254, 2030), (290, 1778), (406, 1270), (508, 1015), (580, 889), (635, 812)]