28902130

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{449}}^1$

素因数の和:654

約数の個数: 32

約数和(自身を含む): 53751600

約数和(自身を除く): 24849470

約数列:

[1, 2, 5, 10, 41, 82, 157, 205, 314, 410, 449, 785, 898, 1570, 2245, 4490, 6437, 12874, 18409, 32185, 36818, 64370, 70493, 92045, 140986, 184090, 352465, 704930, 2890213, 5780426, 14451065, 28902130]

約数ペア:

[(1, 28902130), (2, 14451065), (5, 5780426), (10, 2890213), (41, 704930), (82, 352465), (157, 184090), (205, 140986), (314, 92045), (410, 70493), (449, 64370), (785, 36818), (898, 32185), (1570, 18409), (2245, 12874), (4490, 6437)]