77705660

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{491}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 168370272

約数和(自身を除く): 90664612

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 193, 205, 386, 410, 491, 772, 820, 965, 982, 1930, 1964, 2455, 3860, 4910, 7913, 9820, 15826, 20131, 31652, 39565, 40262, 79130, 80524, 94763, 100655, 158260, 189526, 201310, 379052, 402620, 473815, 947630, 1895260, 3885283, 7770566, 15541132, 19426415, 38852830, 77705660]

約数ペア:

[(1, 77705660), (2, 38852830), (4, 19426415), (5, 15541132), (10, 7770566), (20, 3885283), (41, 1895260), (82, 947630), (164, 473815), (193, 402620), (205, 379052), (386, 201310), (410, 189526), (491, 158260), (772, 100655), (820, 94763), (965, 80524), (982, 79130), (1930, 40262), (1964, 39565), (2455, 31652), (3860, 20131), (4910, 15826), (7913, 9820)]