317616340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{4903}}^1$

素因数の和:5032

約数の個数: 48

約数和(自身を含む): 692052480

約数和(自身を除く): 374436140

約数列:

[1, 2, 4, 5, 10, 20, 41, 79, 82, 158, 164, 205, 316, 395, 410, 790, 820, 1580, 3239, 4903, 6478, 9806, 12956, 16195, 19612, 24515, 32390, 49030, 64780, 98060, 201023, 387337, 402046, 774674, 804092, 1005115, 1549348, 1936685, 2010230, 3873370, 4020460, 7746740, 15880817, 31761634, 63523268, 79404085, 158808170, 317616340]

約数ペア:

[(1, 317616340), (2, 158808170), (4, 79404085), (5, 63523268), (10, 31761634), (20, 15880817), (41, 7746740), (79, 4020460), (82, 3873370), (158, 2010230), (164, 1936685), (205, 1549348), (316, 1005115), (395, 804092), (410, 774674), (790, 402046), (820, 387337), (1580, 201023), (3239, 98060), (4903, 64780), (6478, 49030), (9806, 32390), (12956, 24515), (16195, 19612)]