400119380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{6329}}^1$

素因数の和:6476

約数の個数: 48

約数和(自身を含む): 877338000

約数和(自身を除く): 477218620

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 109, 116, 145, 218, 290, 436, 545, 580, 1090, 2180, 3161, 6322, 6329, 12644, 12658, 15805, 25316, 31610, 31645, 63220, 63290, 126580, 183541, 367082, 689861, 734164, 917705, 1379722, 1835410, 2759444, 3449305, 3670820, 6898610, 13797220, 20005969, 40011938, 80023876, 100029845, 200059690, 400119380]

約数ペア:

[(1, 400119380), (2, 200059690), (4, 100029845), (5, 80023876), (10, 40011938), (20, 20005969), (29, 13797220), (58, 6898610), (109, 3670820), (116, 3449305), (145, 2759444), (218, 1835410), (290, 1379722), (436, 917705), (545, 734164), (580, 689861), (1090, 367082), (2180, 183541), (3161, 126580), (6322, 63290), (6329, 63220), (12644, 31645), (12658, 31610), (15805, 25316)]