159626140

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{1979}}^1$

素因数の和:2134

約数の個数: 48

約数和(自身を含む): 347608800

約数和(自身を除く): 187982660

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 109, 148, 185, 218, 370, 436, 545, 740, 1090, 1979, 2180, 3958, 4033, 7916, 8066, 9895, 16132, 19790, 20165, 39580, 40330, 73223, 80660, 146446, 215711, 292892, 366115, 431422, 732230, 862844, 1078555, 1464460, 2157110, 4314220, 7981307, 15962614, 31925228, 39906535, 79813070, 159626140]

約数ペア:

[(1, 159626140), (2, 79813070), (4, 39906535), (5, 31925228), (10, 15962614), (20, 7981307), (37, 4314220), (74, 2157110), (109, 1464460), (148, 1078555), (185, 862844), (218, 732230), (370, 431422), (436, 366115), (545, 292892), (740, 215711), (1090, 146446), (1979, 80660), (2180, 73223), (3958, 40330), (4033, 39580), (7916, 20165), (8066, 19790), (9895, 16132)]