205121910280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{25261319}}^1$

素因数の和:25261366

約数の個数: 64

約数和(自身を含む): 545644512000

約数和(自身を除く): 340522601720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 4060, 8120, 25261319, 50522638, 101045276, 126306595, 176829233, 202090552, 252613190, 353658466, 505226380, 707316932, 732578251, 884146165, 1010452760, 1414633864, 1465156502, 1768292330, 2930313004, 3536584660, 3662891255, 5128047757, 5860626008, 7073169320, 7325782510, 10256095514, 14651565020, 20512191028, 25640238785, 29303130040, 41024382056, 51280477570, 102560955140, 205121910280]

約数ペア:

[(1, 205121910280), (2, 102560955140), (4, 51280477570), (5, 41024382056), (7, 29303130040), (8, 25640238785), (10, 20512191028), (14, 14651565020), (20, 10256095514), (28, 7325782510), (29, 7073169320), (35, 5860626008), (40, 5128047757), (56, 3662891255), (58, 3536584660), (70, 2930313004), (116, 1768292330), (140, 1465156502), (145, 1414633864), (203, 1010452760), (232, 884146165), (280, 732578251), (290, 707316932), (406, 505226380), (580, 353658466), (812, 252613190), (1015, 202090552), (1160, 176829233), (1624, 126306595), (2030, 101045276), (4060, 50522638), (8120, 25261319)]