848266940

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{331}}^1\times {\mathrm{1321}}^1$

素因数の和:1758

約数の個数: 48

約数和(自身を含む): 1806528864

約数和(自身を除く): 958261924

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 331, 388, 485, 662, 970, 1321, 1324, 1655, 1940, 2642, 3310, 5284, 6605, 6620, 13210, 26420, 32107, 64214, 128137, 128428, 160535, 256274, 321070, 437251, 512548, 640685, 642140, 874502, 1281370, 1749004, 2186255, 2562740, 4372510, 8745020, 42413347, 84826694, 169653388, 212066735, 424133470, 848266940]

約数ペア:

[(1, 848266940), (2, 424133470), (4, 212066735), (5, 169653388), (10, 84826694), (20, 42413347), (97, 8745020), (194, 4372510), (331, 2562740), (388, 2186255), (485, 1749004), (662, 1281370), (970, 874502), (1321, 642140), (1324, 640685), (1655, 512548), (1940, 437251), (2642, 321070), (3310, 256274), (5284, 160535), (6605, 128428), (6620, 128137), (13210, 64214), (26420, 32107)]