206958903860

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1303}}^1\times {\mathrm{72859}}^1$

素因数の和:74280

約数の個数: 48

約数和(自身を含む): 438943612800

約数和(自身を除く): 231984708940

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 1303, 2180, 2606, 5212, 6515, 13030, 26060, 72859, 142027, 145718, 284054, 291436, 364295, 568108, 710135, 728590, 1420270, 1457180, 2840540, 7941631, 15883262, 31766524, 39708155, 79416310, 94935277, 158832620, 189870554, 379741108, 474676385, 949352770, 1898705540, 10347945193, 20695890386, 41391780772, 51739725965, 103479451930, 206958903860]

約数ペア:

[(1, 206958903860), (2, 103479451930), (4, 51739725965), (5, 41391780772), (10, 20695890386), (20, 10347945193), (109, 1898705540), (218, 949352770), (436, 474676385), (545, 379741108), (1090, 189870554), (1303, 158832620), (2180, 94935277), (2606, 79416310), (5212, 39708155), (6515, 31766524), (13030, 15883262), (26060, 7941631), (72859, 2840540), (142027, 1457180), (145718, 1420270), (284054, 728590), (291436, 710135), (364295, 568108)]