289808420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{35603}}^1$

素因数の和:35660

約数の個数: 48

約数和(自身を含む): 681887808

約数和(自身を除く): 392079388

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 4070, 8140, 35603, 71206, 142412, 178015, 356030, 391633, 712060, 783266, 1317311, 1566532, 1958165, 2634622, 3916330, 5269244, 6586555, 7832660, 13173110, 14490421, 26346220, 28980842, 57961684, 72452105, 144904210, 289808420]

約数ペア:

[(1, 289808420), (2, 144904210), (4, 72452105), (5, 57961684), (10, 28980842), (11, 26346220), (20, 14490421), (22, 13173110), (37, 7832660), (44, 6586555), (55, 5269244), (74, 3916330), (110, 2634622), (148, 1958165), (185, 1566532), (220, 1317311), (370, 783266), (407, 712060), (740, 391633), (814, 356030), (1628, 178015), (2035, 142412), (4070, 71206), (8140, 35603)]