2578100

素因数分解:

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

素因数の和:177

約数の個数: 72

約数和(自身を含む): 6666240

約数和(自身を除く): 4088140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 50, 58, 70, 100, 116, 127, 140, 145, 175, 203, 254, 290, 350, 406, 508, 580, 635, 700, 725, 812, 889, 1015, 1270, 1450, 1778, 2030, 2540, 2900, 3175, 3556, 3683, 4060, 4445, 5075, 6350, 7366, 8890, 10150, 12700, 14732, 17780, 18415, 20300, 22225, 25781, 36830, 44450, 51562, 73660, 88900, 92075, 103124, 128905, 184150, 257810, 368300, 515620, 644525, 1289050, 2578100]

約数ペア:

[(1, 2578100), (2, 1289050), (4, 644525), (5, 515620), (7, 368300), (10, 257810), (14, 184150), (20, 128905), (25, 103124), (28, 92075), (29, 88900), (35, 73660), (50, 51562), (58, 44450), (70, 36830), (100, 25781), (116, 22225), (127, 20300), (140, 18415), (145, 17780), (175, 14732), (203, 12700), (254, 10150), (290, 8890), (350, 7366), (406, 6350), (508, 5075), (580, 4445), (635, 4060), (700, 3683), (725, 3556), (812, 3175), (889, 2900), (1015, 2540), (1270, 2030), (1450, 1778)]