355520420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1\times {\mathrm{1361}}^1$

素因数の和:1760

約数の個数: 48

約数和(自身を含む): 769508208

約数和(自身を除く): 413987788

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 353, 370, 706, 740, 1361, 1412, 1765, 2722, 3530, 5444, 6805, 7060, 13061, 13610, 26122, 27220, 50357, 52244, 65305, 100714, 130610, 201428, 251785, 261220, 480433, 503570, 960866, 1007140, 1921732, 2402165, 4804330, 9608660, 17776021, 35552042, 71104084, 88880105, 177760210, 355520420]

約数ペア:

[(1, 355520420), (2, 177760210), (4, 88880105), (5, 71104084), (10, 35552042), (20, 17776021), (37, 9608660), (74, 4804330), (148, 2402165), (185, 1921732), (353, 1007140), (370, 960866), (706, 503570), (740, 480433), (1361, 261220), (1412, 251785), (1765, 201428), (2722, 130610), (3530, 100714), (5444, 65305), (6805, 52244), (7060, 50357), (13061, 27220), (13610, 26122)]