7161220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{757}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 16809408

約数和(自身を除く): 9648188

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 757, 860, 946, 1514, 1892, 2365, 3028, 3785, 4730, 7570, 8327, 9460, 15140, 16654, 32551, 33308, 41635, 65102, 83270, 130204, 162755, 166540, 325510, 358061, 651020, 716122, 1432244, 1790305, 3580610, 7161220]

約数ペア:

[(1, 7161220), (2, 3580610), (4, 1790305), (5, 1432244), (10, 716122), (11, 651020), (20, 358061), (22, 325510), (43, 166540), (44, 162755), (55, 130204), (86, 83270), (110, 65102), (172, 41635), (215, 33308), (220, 32551), (430, 16654), (473, 15140), (757, 9460), (860, 8327), (946, 7570), (1514, 4730), (1892, 3785), (2365, 3028)]