84685180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{997}}^1$

素因数の和:1174

約数の個数: 48

約数和(自身を含む): 185101056

約数和(自身を除く): 100415876

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 137, 155, 274, 310, 548, 620, 685, 997, 1370, 1994, 2740, 3988, 4247, 4985, 8494, 9970, 16988, 19940, 21235, 30907, 42470, 61814, 84940, 123628, 136589, 154535, 273178, 309070, 546356, 618140, 682945, 1365890, 2731780, 4234259, 8468518, 16937036, 21171295, 42342590, 84685180]

約数ペア:

[(1, 84685180), (2, 42342590), (4, 21171295), (5, 16937036), (10, 8468518), (20, 4234259), (31, 2731780), (62, 1365890), (124, 682945), (137, 618140), (155, 546356), (274, 309070), (310, 273178), (548, 154535), (620, 136589), (685, 123628), (997, 84940), (1370, 61814), (1994, 42470), (2740, 30907), (3988, 21235), (4247, 19940), (4985, 16988), (8494, 9970)]