1264400

素因数分解:

$2^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:156

約数の個数: 60

約数和(自身を含む): 3171300

約数和(自身を除く): 1906900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 80, 100, 109, 116, 145, 200, 218, 232, 290, 400, 436, 464, 545, 580, 725, 872, 1090, 1160, 1450, 1744, 2180, 2320, 2725, 2900, 3161, 4360, 5450, 5800, 6322, 8720, 10900, 11600, 12644, 15805, 21800, 25288, 31610, 43600, 50576, 63220, 79025, 126440, 158050, 252880, 316100, 632200, 1264400]

約数ペア:

[(1, 1264400), (2, 632200), (4, 316100), (5, 252880), (8, 158050), (10, 126440), (16, 79025), (20, 63220), (25, 50576), (29, 43600), (40, 31610), (50, 25288), (58, 21800), (80, 15805), (100, 12644), (109, 11600), (116, 10900), (145, 8720), (200, 6322), (218, 5800), (232, 5450), (290, 4360), (400, 3161), (436, 2900), (464, 2725), (545, 2320), (580, 2180), (725, 1744), (872, 1450), (1090, 1160)]