509700016

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{2011}}^1$

素因数の和:2130

約数の個数: 80

約数和(自身を含む): 1181575168

約数和(自身を除く): 671875152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 73, 112, 124, 146, 217, 248, 292, 434, 496, 511, 584, 868, 1022, 1168, 1736, 2011, 2044, 2263, 3472, 4022, 4088, 4526, 8044, 8176, 9052, 14077, 15841, 16088, 18104, 28154, 31682, 32176, 36208, 56308, 62341, 63364, 112616, 124682, 126728, 146803, 225232, 249364, 253456, 293606, 436387, 498728, 587212, 872774, 997456, 1027621, 1174424, 1745548, 2055242, 2348848, 3491096, 4110484, 4550893, 6982192, 8220968, 9101786, 16441936, 18203572, 31856251, 36407144, 63712502, 72814288, 127425004, 254850008, 509700016]

約数ペア:

[(1, 509700016), (2, 254850008), (4, 127425004), (7, 72814288), (8, 63712502), (14, 36407144), (16, 31856251), (28, 18203572), (31, 16441936), (56, 9101786), (62, 8220968), (73, 6982192), (112, 4550893), (124, 4110484), (146, 3491096), (217, 2348848), (248, 2055242), (292, 1745548), (434, 1174424), (496, 1027621), (511, 997456), (584, 872774), (868, 587212), (1022, 498728), (1168, 436387), (1736, 293606), (2011, 253456), (2044, 249364), (2263, 225232), (3472, 146803), (4022, 126728), (4088, 124682), (4526, 112616), (8044, 63364), (8176, 62341), (9052, 56308), (14077, 36208), (15841, 32176), (16088, 31682), (18104, 28154)]